Abstract: This method for acquiring weld pass information pertaining to execution conditions for a weld pass for welding two workpieces, which are to be welded by the welding robot, includes: a step in which a weld pass for welding the two workpieces is extracted from 3D CAD data; a step in which a wall determination model having a predetermined 3D shape is prepared; a step in which the wall determination model is positioned in the direction extending towards the outside of the weld pass, the end of welding which is the starting point or ending point of the weld pass serving as a reference; and a step in which, for the positioned wall determination model, a determination is made as to whether there is interference from a wall surface demarcated by another member different from the two workpieces.

Abstract: In an example, a method includes receiving, at a processor, a data model of an object to be generated in additive manufacturing. A virtual build volume comprising a representation of at least a portion of the object may be segmented into a plurality of nested segments comprising a core segment and a peripheral segment. Segmenting the virtual build volume may comprise determining a dimension of the peripheral segment based on at least one of a geometry of the object and an intended object property.

Abstract: An approach to intelligent additive manufacturing makes use of one or more of machine learning, feedback using machine vision, and determination of machine state. In some examples, a machine learning transformation receives data representing a partially fabricated object and a model of an additional part (e.g., layer) of the part, and produces a modified model that is provided to a printer. The machine learning predistorter can compensate for imperfections in the partially fabricated object as well as non-ideal characteristics of the printer, thereby achieving high accuracy.

Abstract: The invention relates to a device designed to determine manufacturing data for producing objects that have variable, freely orientable orthotropic elasticity characteristics, by calculating data relating to grains of branches, which combined define branches, the number of grains of branches and the thickness of each branch being related to the desired elasticity characteristics.

Abstract: Method for operating at least one apparatus (1) for additively manufacturing of three-dimensional objects (2-4) by means of successive layerwise selective irradiation and consolidation of layers of a build material (5) which can be consolidated by means of an energy beam (6), wherein a communication interface (10) connected or connectable with the at least one apparatus (1) is adapted to receive at least a first data set (15-17) comprising object data from at least a first user (12-14), relating to at least one object (2-4) to be built, and at least a second data set (15-17) comprising object data from at least a second user (12-14), wherein a manufacturing process of at least two objects (2-4) is controlled dependent on the data sets (15-17) of the at least two users (12-14).

Abstract: A unit-of-one pattern creation method for bespoke garment fabrication includes loading into memory a test image of a base garment fitted on a model, processing the test image in a first convolutional neural network to generate different classifications for different portions of the base garment and flattening the different classified portions of the base garment to produce corresponding flattened patterns of the base garment. Thereafter, an image of a unique individual wearing a customer specific garment is acquired and processed in a second recurrent neural network trained with the different classifications of the first convolutional neural network. In response to the receipt of the acquired image in the second recurrent neural network, the second recurrent neural network classifies different portions of the acquired image and flattens the classified different portions of the acquired image in order to produce corresponding flattened patterns for a customized version of the base garment.

Abstract: Methods, systems, and computer program products for improving the generation of a 3D representation of an object may include adding a distribution of additional points to plurality of points representative of captured portions of the object based on a computational analysis of the plurality of points, and performing a surface reconstruction on the plurality of points and the distribution of additional points to generate a three-dimensional mesh representation of the object that is watertight.

Abstract: An application is presented for providing a highly accurate and realistic 3D virtual model of monitored items. The 3D virtual model may include virtual icons that represent a set of sensors. Data visualizations are provided in the 3D virtual model depicting relevant information about the monitored items and the set of sensors. Alarms can be triggered if the sensor exceeds normal operating thresholds and a user directed to a specific sensor that is malfunctioning or subject to the alert. The user can rewind through the virtual model to view events leading up to the alarm or malfunctioning of the monitored item. Further, a 3D virtual model can be reciprocally rendered as a digital twin on a second user's computing device and any extended reality graphical manipulation shared with the second user whether the second user is physically adjacent to a monitored item or remote from a monitored item.

Abstract: Systems and methods for cuboid detection and keypoint localization in images are disclosed. In one aspect, a deep cuboid detector can be used for simultaneous cuboid detection and keypoint localization in monocular images. The deep cuboid detector can include a plurality of convolutional layers and non-convolutional layers of a trained convolution neural network for determining a convolutional feature map from an input image. A region proposal network of the deep cuboid detector can determine a bounding box surrounding a cuboid in the image using the convolutional feature map. The pooling layer and regressor layers of the deep cuboid detector can implement iterative feature pooling for determining a refined bounding box and a parameterized representation of the cuboid.

Abstract: A method is described in which data representing a three-dimensional object to be printed is obtained. The data comprises sub-volumes representing the three-dimensional object. A characteristic for the three-dimensional object to be printed is identified. Based on the identified characteristic, property data is set for individual sub-volumes to be used in printing the three-dimensional object. The identified characteristic is a function of the property data. The property data comprises material property data, structural property data and printing property data.

Abstract: A forming-material connecting device includes a cutter that cuts a forming material constituted by plural continuous fiber bundles being impregnated with a resin material and supplied in a supply direction corresponding to an extending direction of the plural continuous fiber bundles. The cutter cuts at least a portion of the plural continuous fiber bundles. The forming-material connecting device also includes a joining portion joining portions of the forming material, which are cut by the cutter at a cutting point in the forming material, on a downstream and upstream side with respect to the cutting point in the supply direction by heating to join the resin materials of the portions of the forming material, or the joining portion joins a preceding forming material's trailing end portion and a leading end portion of a following forming material by heating to join resin materials of the preceding forming material and following forming material.

Abstract: A method for providing a configurable virtual reality environment comprises receiving virtual reality world implementation data that describes locations of structures within a virtual reality world from a customer at an input interface. The virtual reality world implementation data is mapped to a physical plan describing a physical implementation of the structures within the virtual reality world using a mapping controller. The physical plan provides indexing and reference points with respect to the physical implementation of the structures in the virtual reality word enabling the physical plan to define the structures in the real world using the mapping controller. Configurable hardware components necessary to build the physical implementation of the structures in the virtual reality world are determined responsive to the physical plan and a listing of available configurable hardware using a parts list controller.

Abstract: An on-demand manufacturing of apparel system includes online customization and ordering of garments, previewing of the garments, manufacturing including laser finishing of garments, and delivery to the customer. Laser finishing of apparel products reduces finishing cost, lowers carrying costs, increases productivity, shortens time to market, be more reactive to trends, reduces product constraints, reduces lost sales and dilution, and more. Fabric templates can be used to produce a multitude of laser finishes. Operational efficiency is improved.

Abstract: To provide a building system for building an object, including a building apparatus that ejects a material of the object, a data generation unit, and a control unit. The data generation unit generates ejection position designating data based on input data indicating the object in a format different from that of the ejection position designating data. During a time when the data generation unit performs an operation of generating the ejection position designating data, the control unit causes a head to form a plurality of material layers constituting at least a part of the object, and sets a layer forming start timing for starting to form the material layers so that the interlayer time does not exceed an upper limit time set in advance. Hence, appropriately building a high quality object.

Abstract: A system and method that relies on the principles of material science, deformable body mechanics, continuum mechanics and additive manufacturing to reduce the costs associated with additive manufacturing. Physical properties are used by numerical solution methods, such as the Finite Element Method (FEM) or Smooth Particle Hydrodynamics (SPH), to deform an original model of an object to be manufactured into a viable configuration that reduces fabrication material, time, and cost when manufacturing an object through additive manufacturing.

Abstract: An example technique for creating a voxel representation of a three dimensional (3-D) object can include obtaining a shape specification of a 3-D object and a number of 3-D objectives. The example technique for creating a voxel representation of the 3-D object can also include creating a voxel representation of the 3-D object by assigning a material type from a number of material types to each voxel of the voxel representation that defines the 3-D object. The example technique creating a voxel representation of a 3-D object can also include evaluating the voxel representation to determine whether the number of objectives are met.

Abstract: The invention relates to a method which is used to operate an injection molding machine for processing plastics, which has a mold closing unit (F) for opening and closing an injection mold (M) having at least one mold cavity (12) in order to produce an injection molded part (13), an injection molding unit (S) for plasticizing and injecting new plasticizable material into the mold cavity (12), and a control system (11) for operating the injection molding machine (10). Stored in the control system is expert knowledge (E) about the operation of the injection molding machine and the peripheral devices (P) of the latter which may possibly be present and about the production of injection molded parts (13) using injection molding technology, in order to produce an injection molded part (13) using interactive contact as needed by an operator by using injection molding parameters.

Abstract: Computer aided inspection systems (CAIS) and method for inspection, error analysis and comparison of structures are presented herein. In some embodiments, a CAIS may include a SLAM system configured to determine real-world global localization information of a user in relation to a structure being inspected using information obtained from a first sensor package, a model alignment system configured to: use the determined global localization information to index into a corresponding location in a 3D computer model of the structure being inspected; and align observations and/or information obtained from the first sensor package to the local area of the model 3D computer model of the structure extracted; a second sensor package configured to obtain fine level measurements of the structure; and a model recognition system configured to compare the fine level measurements and information obtained about the structure from the second sensor package to the 3D computer model.

Abstract: The present invention relates to a 3D printer with an exposure system for a large-scale screen.

Abstract: Methods and systems for printing accurate three-dimensional structures include printing an original three-dimensional structure according to an original three-dimensional model. The original three-dimensional model is adjusted to reduce measured differences between the printed three-dimensional structure and the original three-dimensional model, by adding material to the original three-dimensional model in proportion to an amount of thermal contraction in a region. An adjusted three-dimensional structure is printed according to the adjusted three-dimensional model.

Abstract: A digital integrated molding method for dental attachments includes 3D design, aiming at acquiring 3D data of an attachment itself through 3D scanning of an attachment preform, carrying out modeling design directly on the basis of acquired data, adjusting corresponding positions of an inner-crown and an attachment, or a bridge and an attachment by design software, and directly designing the attachments of the inner-crown and the bridge into a whole; data processing, aiming at slicing the integrated inner-crown and attachment or bridge and attachment for additive manufacturing; and additive manufacturing, aiming at processing an integrated inner-crown, bridge or attachment. The molding method can greatly improve the molding accuracy of dental attachments, and ensure the relative accuracy of inner-crowns, bridges or attachments.

Abstract: A method for operating a building information modeling (BIM) system, is provided. The method includes at a BIM server, receiving a data alteration request from a client computing device for altering data in one of a building model, a hierarchical structure of building model data, and a Construction Operations Building Information Exchange (COBie) spreadsheet, the building model, hierarchical structure of building model data, and COBie spreadsheet simultaneously displayed in a GUI generated by the BIM server, automatically determining validity of data in the data alteration request, and if it is determined that the data is valid, permitting the data alteration request based on predetermined permissions of the client computing device.

Abstract: Methods and systems are disclosed for simulating a fabrication process based on real time sensor measurements obtained during the process. In one embodiment, a first simulation of the process computes a set of predicted physical responses based on a first set of assumed boundary conditions, and then, during the fabrication process sensor measurements are obtained and used to compute a second set of boundary conditions. A second simulation, based on the second set of boundary conditions, can then be performed to compute an updated set of predicted physical responses that can be compared to the previously computed set of physical responses. The difference(s) can be used to determine line, surface or volumetric response distribution from point, line or surface boundary conditions respectively, whether and how to modify the fabrication process (or other processes) and how to take additive and other manufacturing process decisions real-time using simulation. Other examples are also described.

Abstract: A realistic feather growth may be represented between two surface manifolds in a modeling system. To perform the feather growth, a feather groom for a plurality of feathers between an inner shell of a creature and an outer shell of the creature is received. An inner manifold for the inner shell and an outer manifold for the outer shell is determined with a plurality of follicle points and a plurality of tip points. A first surface contour definition for the inner manifold and a second surface contour definition for the outer manifold is determined and used to determine a volumetric vector field between the inner manifold and the outer manifold. Thereafter, the plurality of feathers is generated between the inner manifold and the outer manifold using the follicle points, the tip points, and the volumetric vector fields.

Abstract: A smartphone may be freely moved in three dimensions as it captures a stream of images of an object. Multiple image frames may be captured in different orientations and distances from the object and combined into a composite image representing an three-dimensional image of the object. The image frames may be formed into the composite image based on representing features of each image frame as a set of points in a three dimensional depth map. Coordinates of the points in the depth map may be estimated with a level of certainty. The level of certainty may be used to determine which points are included in the composite image. The selected points may be smoothed and a mesh model may be formed by creating a convex hull of the selected points. The mesh model and associated texture information may be used to render a three-dimensional representation of the object on a two-dimensional display.

Abstract: A method for additive manufacturing of an object, in particular a hybrid object, based on a data record describing an object to be additively manufactured, includes providing a data record describing the object to be additively manufactured, subdividing the data record into at least two sub-data records, wherein a first sub-data record describes a first sub-object forming a first object part of the object to be additively manufactured, and at least one other sub-data record describes another sub-object forming another object part of the object to be additively manufactured, forming the first sub-object based on the first sub-data record in a first additive construction process, and forming the at least one other sub-object based on the at least one other sub-data record in at least one separate other additive construction process, wherein the at least one other sub-object is formed at least partially, especially completely, on the first sub-object.

Abstract: A 3-D mesh model represents 3-D geometry of a product/part manufactured with deep draw metal forming process. The 3-D model contains nodes connected by shell finite elements. 3-D model is modified by converting each quadrilateral shell finite element to triangular shell finite elements. Respective averaged nodal curvatures of all nodes of the 3-D model is calculated based on the 3-D geometry. A 2-D mesh model is created by unfolding the 3-D model to a plane while maintaining all corresponding triangular shell finite elements between the 2-D and the 3-D models as similar triangles. An estimated pre-stamped shape of a workpiece used for manufacturing the product/part is obtained by iteratively updating the 2-D model with a set of internal nodal forces with respect to the 3-D model and with a set of nodal force adjustments based on the respective averaged nodal curvatures.

Abstract: In an example, processing apparatus includes a substructure module to define a substructure for a three dimensional object. The substructure module includes a weighting module to apply relative weights to data relating to each of the plurality of substructures and a blending module to blend data relating to the substructures. The substructure module is to generate data defining an intermediate substructure from a weighted blend of the data relating to the plurality of substructures.

Abstract: A designing assistance system includes an identification unit and a modification unit. The identification unit is configured to acquire a three-dimensional shape model of a structure, and identify a bar-shaped part of the three-dimensional shape model. The three-dimensional shape model is obtained through a topology optimization calculation. The modification unit is configured to cause the bar-shaped part of the three-dimensional shape model to be modified to an undented shape model.

Abstract: A method and system to receive a specification defining a model of a part to be produced by an additive manufacturing (AM) process; define a design space to enclose the part and a support structure for the part, the support structure to support the part and printed with the part during the AM process; execute an iterative topology optimization(TO) based at least in part on the specification for the part and the defined design space, to generate a TO support structure that counteracts predicted gravity-based distortions during the AM process; save a record of the generated TO support structure; and transmit the record of the TO support structure to an AM controller, the AM controller to control an AM system to generate an instance of the part and the TO support structure based on the record.

Abstract: A method of operating an extruder assembly in a three-dimensional object printer translates and rotates an extruder body having an extrusion slot to produce three-dimensional objects more quickly and with greater precision. The method also includes rotating and moving one or more shutter bodies with respect to the extrusion slot to form a continuous filament of material of various sizes and shapes.

Abstract: The method includes: obtaining a first file of a computer-aided design (CAD) application; identifying, within the first file, a first 3D shape associated with a 3D infill pattern; generating a second file including: a first section specifying the 3D infill pattern; and a second section including instructions describing the first 3D shape filled with multiple instances of the 3D infill pattern by referencing the first section. The first section and the second section are separate in the second file.

Abstract: A method of additive manufacturing for producing a 2-part mold suitable for use in injection molding, comprises: obtaining a computerized 3D representation of a 2-part mold (3D mold); delimiting one or more regions within the 3D mold; assigning a material or a combination of materials to each delimited region which is different from different from materials used in other delimited regions or outside the delimited regions; and producing the 2-part mold by additive manufacturing; wherein the delimiting comprises carrying out an offset from a surface of the 3D mold which is intended to be in contact with injected material, and wherein the offset is carried out within the solid part of the 3D mold.

Abstract: Apparatuses, systems and methods capable of controlling an additive manufacturing print process on an additive manufacturing printer. The disclosed embodiments may include: a plurality of sensors capable of monitoring at least one of an input of print filament to a print head of the printer, and a temperature of a nozzle of the printer, as indicative of a state of the additive manufacturing print process; at least one processor associated with at least one controller and capable of receiving sensor data regarding the monitoring from the plurality of sensors, and comprising non-transitory computing code for applying to the sensor data at least one correct one of the state of the additive manufacturing print process; a comparator embedded in the non-transitory computing code for assessing a lack of compliance of the print process to the correct one of the state; and at least one modifying output of the at least one controller to revise the compliance of the print process to the correct one of the state.

Abstract: A method, medium, and system to automatically determine parameter sets for an additive manufacturing (AM) of a part, the method including executing a load analysis on a model of a part to emulate a load on each of a plurality of regions of the part; determining a representation of the model of the part as a plurality of discrete three-dimensional (3D) volume elements; determining, based on an output of the load analysis, a life or material property value to assign to each of the plurality of 3D volume elements; automatically determining an assignment of one of a plurality of additive manufacturing (AM) print parameter sets to each of the plurality of 3D volume elements; and saving a record of the determined assignments of the AM print parameter sets to each of the plurality of 3D volume elements.

Abstract: An assembly for use in an attritable engine includes a hub and a blade. The hub is configured to rotate about a centerline axis passing through a center of the hub and is formed with a first type of layer-by-layer additive manufacturing process. The blade is connected to and extends radially outward from the hub. The blade is formed with a second type of layer-by-layer additive manufacturing process that is different than the first layer-by-layer additive manufacturing process. The hub and the blade are integrally formed together as a single piece of material with a layer-by-layer additive manufacturing process. The blade includes a root of a first material, a platform connected to the root, an airfoil connected to and extending from the platform, and a tip connected on a distal end of the airfoil opposite from the root. The platform includes a material that is different from the first.

Abstract: A three-dimensional object data generation apparatus includes a setting unit that sets a basic voxel group defined using at least one voxel in accordance with a shape of a surface of a three-dimensional object on a basis of three-dimensional object data indicating the surface of the three-dimensional object using at least either plural flat surfaces or a curved surface and a generation unit that generates three-dimensional object data in which voxels are set inside the surface on a basis of the basic voxel group.

Abstract: A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including-obtaining a digital 3D representation of the set of teeth, the digital 3D representation comprising a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.

Abstract: A print head is disclosed for use in an additive manufacturing system. The print head may include a receiving end configured to receive a matrix and a continuous reinforcement, and a discharging end configured to discharge the continuous reinforcement at least partially coated in the matrix. The print head may also include a compactor located at the discharging end and forming a tool center point for the print head.

Abstract: A procedural approach toward optical characterization of subsurface scattering of light to generate a mixture of optically opaque materials and optically transparent materials, with a scattering map projected from the surface toward the center of mass of a model. The resulting voxel slices communicate with an additive manufacturing printer, with the resulting model using a typical CMYK and white mixture, with the addition of transparency keyed to the alpha channel of the voxel slice texture maps, to create an accurate model. The resulting stack of textures have color values for the voxels at the surface that are extrapolated downward to the center of the mass from the surface normal, thereby creating a color and texture spectrum from the surface normal to the center of mass, to more accurately represent color and texture on a printed object.

Abstract: A method includes determining depth values associated with a first set of pixel locations in a first image of a mouth. A first function is generated for a color channel based on intensities of the color channel at the first set of pixel locations and depth values associated with the first set of pixel locations. Image data comprising a new representation of the teeth is received, wherein the image data comprises a second set of pixel locations and new depth values associated with the second set of pixel locations. A new image is generated based on the image data and the first function, wherein a shape of the teeth is based on the image data and a color of the teeth is based on applying the first function to the second set of pixel locations for the teeth and the new depth values.

Abstract: A method for providing a 3D shape model for a new process in an additive manufacturing system includes receiving an unoptimized 3D model of one or more shapes based on a first process (P1); receiving deviation information based on P1; baseline deviation modeling of P1 based on the received unoptimized 3D model and the received deviation information to thereby generate an optimized 3D model for the one or more shapes based on P1; applying a transfer function that connects deviation information of P1 to deviation information of a second process (P2); receiving deviation information based on P2; adaptively modeling the deviations of P2 based on the transformed baseline model and the deviation information of P2; generating an optimized 3D model for the one or more shapes based on P2; and generating a compensation plan for additively manufacturing the one or more shapes between P1 and P2.

Abstract: A system for generating missing data for 3D models of intraoral structures of a patient. The system may include a hand-held intraoral scanner and a computer having instructions that the system to scan the intraoral structure of a patient to generate first 3D data of the surface of a prepared tooth, generate a 3D virtual model of the prepared tooth based on the first 3D data, determine the 3D virtual model is missing a surface associated with the prepared, generate second 3D data approximating the surface that is determined to be missing from the 3D virtual model intraoral structure that is missing, and combine the second 3D data with the 3D virtual model such that the 3D virtual model includes the approximated surface, wherein the approximated surface approximates the prepared tooth associated with the surface determined to be missing from the 3D virtual model.

Abstract: Disclosed is a method of determining a quality indicator of an object that has been manufactured by layer-wise additive manufacturing. The method includes providing a first dataset that is assigned to a process monitoring device, detecting a relative frequency of occurrence of a process irregularity in a layer and of assigning a grade indicator value to the solidified object cross-section in a layer according to the detected relative frequency, generating a second dataset, in which a grade indicator value is assigned to the object cross-section in each of said several layers following upon one another, and determining a quality indicator by using the second dataset (or several further datasets).

Abstract: A FEA model representing a product/part with certain finite elements for metal portion, metal fracture failure criteria, a measurement characteristic length in a specimen test, and characteristics of a neck formed in the metal are received in a computer system. The metal fracture failure criteria contain respective measured critical strain value and average fracture strain value in various loading conditions. The characteristics of the neck include the neck's width and a profile of strain distribution within the neck's width. Respective peak fracture strain values are calculated for various loading conditions using a formula based on the profile of strain distribution, the neck's width, and measured critical strain value and average fracture strain value. Peak fracture strain values are used in each solution cycle of a time-marching simulation of a deep drawing metal forming process for manufacturing the product/part.

Abstract: Provided is the method for manufacturing a three-dimensional structure with a less amount of internal voids or bubbles, and also to provide a 3D printer filament used for manufacturing such three-dimensional structure. The method for manufacturing a three-dimensional structure, the method comprises melting and depositing a filament using a 3D printer, the filament comprising a commingled yarn that contains a continuous reinforcing fiber (A) and a continuous thermoplastic resin fiber (B), with a dispersity of the continuous reinforcing fiber (A) in the commingled yarn of 60 to 100%.

Abstract: A method of making an orthotic is disclosed. The method includes the steps of taking measurements relating to a foot and then creating a digital representation of an orthotic on a display device based on said measurements. This digital representation of the orthotic having a heel portion for supporting a heel of a person and a distal portion located in front of the heel portion which can be divided into first and second distal portions. The thickness of the digital representation of the first and second distal portions is then varied such that one of the distal portions is thicker than the other. Finally, an additive manufacturing technique, using a substantially uniform material or materials, is used to create a physical version of the digital representation of the orthotic.

Abstract: Additive manufacturing methods and corresponding systems and computer-readable mediums. A method includes receiving, by a data processing system, a three-dimensional (3D) model of a product to be manufactured by additive manufacturing. The method includes generating, by the data processing system, a time-based heat map of temperatures of the product during manufacture. The method includes identifying, by the data processing system, hot spots in the heat map where the temperature exceeds a first predetermined threshold. The method includes adding, by the data processing system, heatsink support structures to the 3D model at locations corresponding to the hot spots to produce a modified 3D model. The method includes storing, by the data processing system, the modified 3D model.

Abstract: A neural network-based error compensation method for 3D printing includes: compensating an input model by a deformation network/inverse deformation network constructed and trained according to a 3D printing deformation function/inverse deformation function, and performing the 3D printing based on the compensated model. Training samples of the deformation network/inverse deformation network include to-be-printed model samples and printed model samples. The deformation network constructed according to the 3D printing deformation function is marked as a first network. During training of the first network, the to-be-printed model samples are used as real input models, and the printed model samples are used as real output models. The inverse deformation network constructed according to the 3D printing inverse deformation function is marked as a second network.

Abstract: Method and system arranged for obtaining an electronic 3D model of a 3D object to be fabricated. The method further including generating control instructions based on the electronic 3D model and process parameters of the fabrication process, determining a mesh model representing the electronic 3D model, the mesh model including elements each having at least one property that is affectable by at least one of the process parameters, and performing simulation of the fabrication process in time using the control instructions, the mesh model and the process parameters. The simulation includes establishing a deviation of the at least one property relative to a reference thereof for each element of the mesh model, wherein the deviation is induced by at least one of the process parameters, and establishing an adaptation for the at least one property of each element of the mesh model to compensate for the deviation.