Abstract: A computer-implemented method of generating a dental model based on an objective function output, including creating an objective function including at least one quality estimation function which trains at least one machine learning method that generates quality estimation output, and an objective function output is the output of the objective function providing a model as an input data to the objective function and generating model-related objective function output; and modifying the model based on the model-related objective function output to transform the model to a generated model, wherein the generated model is the dental model.

Abstract: Provided are a detecting device, a detecting method, a generating method, and a computer-readable storage medium that allow the user to readily obtain information on an object related to a human-powered vehicle. The detecting device includes a control unit that detects an object related to a human-powered vehicle as a target object from a first image including at least a part of the human-powered vehicle, and outputs related information related to the target object.

Abstract: Methods and systems for customizing wearable equipment such as athletic equipment, including ice skates. For example, an ice skate may comprise a skate boot and blade holder. The skate boot may be customized, e.g., may be manufactured using a custom last. A method of operating a computing device to customize the skate boot last may comprise: carrying out a 3D modeling application; obtaining a scan of a foot from an image acquisition device; creating a model of the foot; obtaining a model of a customized last based on the model of the foot; creating metadata and associating the metadata with the 3D model data; and generating a production specification for the customized last based on the model of the customized last and the metadata.

Abstract: Methods and apparatus for recoating parameter control are disclosed. An example apparatus disclosed herein includes a blade holder, a blade, and a control element disposed within the blade holder, the control element to move the blade between a first position and a second position, the apparatus having a first stiffness when the blade is in the first position, the apparatus having a second stiffness when the blade is in the second position, the first stiffness greater than the second stiffness.

Abstract: The present disclosure relates to a 3D printer for construction for printing and forming various structures, in which agitating blades 45 capable of auto-rotation are mounted inside a nozzle 10 discharging a printing material such as concrete or mortar, to thereby enable agitation of a fluid printing material inside the nozzle 10. According to the present disclosure, agitation of the fluid printing material inside the nozzle 10 of the 3D printer for construction may be facilitated to prevent material segregation and maintain a homogeneously mixed state of materials constituting the fluid printing material.

Abstract: A method for preparing a tooth crown may include generating a 3D model of an external surface of a patient's tooth and generating a 3D model of an external surface of a first crown based on the 3D model of the external surface of the patient's tooth. The method may also include preparing the patient's tooth to receive the first crown while generating the 3D model of the external surface. A 3D model of the prepared tooth my be generated. A 3D model of an internal surface of the first crown may also be generated. The 3D model of the external surface and the 3D model of the internal surface may form a 3D model of the first crown.

Abstract: A system for generating slice data for additive manufacturing, comprises a graphics processing unit (GPU) that receives a digital model of an object in a three-dimensional build space defined over a plurality of slices, computes a three-dimensional signed distance field over voxels in the build space, assigns a building material to each voxel based on a respective distance field value, and generates slice data output pertaining to the building material assignments for each slice. The slice data output can be used for printing the object in layers corresponding to the slices. The distance field comprises one or more vector having a vertical component with respect to the slices.

Abstract: Systems and methods of computer aided manufacturing are disclosed. A computer aided manufacturing device includes a tool operable to perform a manufacturing operation within a working area. A scanner obtains scan data corresponding to a portion of the working area. A processor is configured to obtain scan data of a workpiece positioned within the working area, generate a digital model of the workpiece, generate a tool path for the tool based on the digital model, operate the computer aided manufacturing system to perform the at least one manufacturing operation according to the at least one tool path to generate a modified workpiece, obtain scan data of the modified workpiece, and verify the at least one manufacturing operation based on the scan data of the modified workpiece.

Abstract: Adaptable manufacturing systems, methods, and apparatuses are disclosed. An apparatus for manufacturing a product in accordance with the present disclosure may include a design apparatus, an assembly apparatus, and a control apparatus, coupled to the design apparatus and the assembly apparatus. The control apparatus receives input information from the design apparatus and the assembly apparatus. The control apparatus provides output information for altering at least one parameter used by at least one of the design apparatus and the assembly apparatus in the manufacture of the product.

Abstract: Described is an apparatus and method for the additive manufacturing of 3D objects. The apparatus includes a 3D object material deposition module configured to deposit a portion of material forming at least a layer of a 3D object, a 3D object material solidifying module configured to solidify at least the portion of material forming at least a layer of the 3D object and a control computer. The control computer includes a module configured to analyze the slope or curvature change ratio and operate material deposition module to deposit the 3D object material across the cross-section of the 3D object with at least one of a plurality of layers forming the 3D object that has different from other layers characteristics.

Abstract: A system and method of detecting display fit measurements and/or ophthalmic measurements for a head mounted wearable computing device including a display device is provided. The system and method may include capturing image data including a face of a user to be fitted for the head mounted wearable computing device. A three-dimensional head pose and gaze measurements may be extracted and a three-dimensional model may be developed from the captured image data. The system may detect display fit measurements and/or ophthalmic fit measurements from the three-dimensional model, and may provide one or more head mounted wearable computing devices that meet the display fit and/or ophthalmic fit requirements.

Abstract: A product containing an intelligent control provides increased safety and reliability, wherein the product contains an active component, wherein the active component is adapted to monitor or control the use of the component, wherein the active component is adapted to send data to and/or receive data from a distributed database. A method of manufacturing, a machine containing the product, and a computer program product are provided.

Abstract: Orthodontic devices such as aligners, palatal expanders, retainers, and dental implants can be used to adjust the position of teeth and to treat various dental irregularities. To help the clinician or doctor (i.e., orthodontist) design and plan the subject's treatment plan, a 3D digital model of the subject's teeth, dentition, and gingiva can be constructed from a 3D scan of the subject's mouth, teeth, dentition, and gingiva. The 3D model of the subject's teeth and dentition can be displayed graphically to the doctor on a display using a computing system with memory and software.

Abstract: A computer-implemented method for autonomous reconstruction of vessels on computed tomography images, includes: providing a reconstruction convolutional neural network (CNN); receiving an input 3D model of a vessel to be reconstructed; defining a region of interest (ROI) and a movement step, wherein the ROI is a 3D volume that covers an area to be processed; defining a starting position and positioning the ROI at the starting position; reconstructing a shape of the input 3D model within the ROI by inputting the fragment of the input 3D model within the ROI to the reconstruction convolutional neural network (CNN) and receiving the reconstructed 3D model fragment; moving the ROI by the movement step along a scanning path; repeating the reconstruction and moving steps to reconstruct a desired portion of the input 3D model at consecutive ROI positions; and combining the reconstructed 3D model fragments.

Abstract: Methods and systems are disclosed for performing operations comprising: receiving, by one or more processors, an image that includes a depiction of a face of a user; computing a real-world scale of the face of the user based on a selected subset of landmarks of the face of the user; obtaining an augmented reality graphical element comprising augmented reality eyewear; scaling the augmented reality graphical element based on the computed real-world scale of the face; and positioning the scaled augmented reality graphical element within the image on the face of the user.

Abstract: Systems devices, and methods including: an additive manufacturing component having tools for manufacturing parts and a support structure associated with a part being manufactured; a computing device configured to: identify a region to support on the part being manufactured; determine a set of one or more slices via an iterative process; determine a set of support lines based on the determined set of one or more slices; determine a density associated with the determined set of support lines; and transmit instructions to the additive manufacturing component to add a slice on to the support structure based on the determined set of support lines and associated density; and where the additive manufacturing component is configured to execute a series of instructions to connect the support structure to the region to support via the determined set of support lines.

Abstract: Systems and methods for fabricating indirect bonding trays are disclosed. Digital models of a patient's teeth can be created with digital brackets positioned on the digital model of a patient's teeth. Digital models of indirect bonding trays can be created to retain and transfer the brackets. The indirect bonding trays can be 3-D printed with wells that the functional brackets can be placed into and thereafter transferred to the patient. The 3-D printed indirect bonding tray can comprise two resins, with one resin forming the tray and another resin forming a functional feature.

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 data generating apparatus includes: an input unit that receives foot shape data; a processor that computes shoe last data from the foot shape data received by the input unit; and an output unit that outputs the shoe last data computed by the processor. The processor further computes processing data for processing a member that forms an upper of a shoe, based on the computed shoe last data. The output unit further outputs the processing data computed by the processor.

Abstract: Provided are a method and apparatus for processing an intraoral image. The data processing apparatus includes a memory including one or more instructions, and a processor configured to execute the one or more instructions stored in the memory, wherein the processor, by executing the one or more instructions, displays an eggshell generated based on surface data of a tooth selected from the intraoral image, provides a user interface that allows to adjust a boundary of the eggshell, and displays an eggshell transformed by adjusting the boundary of the eggshell according to a user input through the user interface.

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: The present disclosure provides systems and techniques for determining a grip layout for a gun. The techniques include obtaining an image depicting a hand, obtaining calibration data associated with the image, calculating a real distance between a first landmark of the hand and a second landmark of the hand, and determining a grip layout for the gun based on the real distance between the first landmark and the second landmark. Calibration data may include a scale for the image or data that may be used to derive the scale, such as an object of known dimensions, an angular field of view, or a distance between the device used to capture the image and the hand. The grip layout may include a backstrap size, a sensor size, a sensor location on the gun, or any combination thereof.

Abstract: Colored three-dimensional digital model generation techniques and systems are described. In one example, scanning techniques are employed by a scanning system that scans a physical object while disposed within packaging to form a three-dimension digital model. A model coloring system is employed to color the three-dimensional digital model. A two-dimensional digital image is employed that captures the same or similar physical object. In one example, features of the model are matched to the image. This is then used to align a viewing perspective with respect to the model with a viewing perspective of the object within the digital image, e.g., to find which “view” of the model corresponds with the image. The color is then applied from the digital image to the model, e.g., from pixels of the image to corresponding points in the model.

Abstract: In one embodiment, a method includes generating a front panel of a garment based on one or more images including the garment, generating a back panel of the garment, aligning the front panel and the back panel in a three-dimensional space so that the front panel is in front of a three-dimensional body and the back panel is behind the three-dimensional body, identifying one or more pairs of boundary segments of the front panel and the back panel, wherein each pair of boundary segments of the front panel and the back panel are to be attached together, and generating a digital garment by attaching each of the identified one or more pairs of boundary segments of the front panel and the back panel through a plurality of iterative simulations using a physics simulation model.

Abstract: A method for providing a feedback on a surgical outcome by a computer includes dividing, by the computer, actual surgical data obtained in an actual surgical process into a plurality of detailed surgical operations to obtain actual surgical cue sheet data composed of the plurality of detailed surgical operations, obtaining, by the computer, reference cue sheet data about the actual surgery, and comparing, by the computer, the actual surgical cue sheet data with the reference cue sheet data, and providing, by the computer, the feedback based on the comparison result.

Abstract: The present disclosure provides a bespoke eyewear and a system and a method for manufacturing the bespoke eyewear. In one aspect, the method for manufacturing the bespoke eyewear frame includes capturing one or more facial images of a user using an image capturing device, generating a facial model from said one or more facial images, extracting a plurality of facial parameters from the facial model, generating a three-dimensional digital model of an eyewear frame based at least in part on one or more of the facial parameters of the user, and transmitting the three-dimensional digital model to an additive manufacturing apparatus for additively manufacturing the bespoke eyewear frame.

Abstract: The disclosed technology provides for printing a 3D structure in-situ within a patient during a surgical procedure. The disclosed technology can include generating instructions for a 3D printer of a surgical robot to print a structure within the patient's body, simulating and verifying the instructions, and autonomously or semi-autonomously executing the instructions, once verified, during a surgical procedure. Generating the instructions for printing the 3D structure within the patient can be based on image data of the patient. Generating the instructions can also include selecting substrate materials that are both safe for the patient and having desired properties of the final printed structure. Modifications can be made to the instructions based on results from the simulation. The disclosed technology provides for application of safe substrate material directly to hard and/or soft tissues within the patient's body via an additive manufacturing process, such as 3D printing.

Abstract: Systems and methods are provided for machining dental prostheses including, over a network, receiving data concerning a dental prosthesis, selecting a material from which to machine the dental prosthesis, and determining machining instructions for machining the dental prosthesis based on a nominal enlargement factor corresponding to the selected material. The method can also include storing the machining instructions, receiving a request from a milling machine for a dental prosthesis to be milled by the milling machine, and associating the dental prosthesis with the milling machine. The method can also include selecting a material blank comprised of the selected material, determining a material blank enlargement factor of the selected material blank, modifying the machining instructions according to a difference between the nominal enlargement factor and the material blank enlargement factor, and machining the dental prosthesis according to the modified machining instructions.

Abstract: A method for generating print images for additive manufacturing includes: accessing a part model; accessing a set of dimensional tolerances for the part model; and segmenting the part model into a set of model layers. The method also includes, and, for each model layer: detecting an edge in the model layer; assigning a dimensional tolerance to the edge; defining an outer exposure shell inset from the edge by an erosion distance inversely proportional to a width of the dimensional tolerance; defining an inner exposure shell inset from the outer exposure shell and scheduled for exposure separately from the outer exposure shell; defining an a outer exposure energy proportional to the width of the dimensional tolerance and assigned to the outer exposure shell; and defining an inner exposure energy greater than the outer exposure energy and assigned to the inner exposure shell.

Abstract: An extrusion printing process for conductive materials and a conductive material extrusion system. The process includes attaching a counter-electrode to a first side of a substrate. A drive voltage is applied to the counter-electrode and to a conductive material to be extruded onto a second side of the substrate, opposite the first side. The conductive material is extruded onto the second side of the substrate while the drive voltage is being applied to the counter-electrode and conductive material. The conductive material is selected from a metal having a melting point ranging from about ?20° C. to about 150° C.

Abstract: A machining assist system includes a knowledge database, a receiver, a control unit, and a display. The knowledge database stores various pieces of information indicative of know-how concerning a machining method and a machining facility. The receiver receives a question. The control unit executes a driving solver and a solution-providing solver so as to search the knowledge database using a search condition based on the question and derive a response. The display presents the response. The response includes a plurality of measures, priorities assigned to the measures, and progress information indicative of a search process and a search route. The search process includes a plurality of factors to be used to derive the measures. The search route is a link between the factors. The search process and the search route are visually presented on the display.

Abstract: The present disclosure relates to a 3D printer for construction for print-molding various structures, in which a main pipe 30 for transferring a filament material 31 therein is installed inside a nozzle 10 for discharging a printing material, such as concrete or mortar, to enable co-printing of the filament material 31 with the printing material while embedded in the printing material. According to the present disclosure, in constructing a structure by a 3D printer for construction, a printing material embedded with the filament material 31 as reinforcing material may be printed, and as a result, the effects of reinforcing tensile strength of the printed object and inhibiting crack of the printed object may be obtained.

Abstract: Methods, apparatuses, and systems for performing robotic surgery in an extended reality (XR) collaborative customizable virtual operating room are disclosed. The disclosed systems provide a virtual environment in which a surgical robot network receives medical images of a patient and creates a digital twin from a patient's medical images. The surgical robot network allows a first user to create a virtual environment to perform a surgical procedure, select workflow objects, and perform actions on the digital twin. The data of the workflow objects and actions in relation to the digital twin is stored. The first user invites a second user to join the virtual environment who may collaborate with the first user on the workflow objects and actions performed to adjust the workflow, workflow objects, and actions performed. The workflow, workflow objects, actions in relation to the digital twin are sent to a surgical robot.

Abstract: Provided is an injection molding system capable of improving usability for a user. The injection molding system determines a combination of a mold and an injection molding machine and a specific molding condition specific to the combination of the mold and the injection molding machine, and outputs the determined specific molding condition in a predetermined form for manual input to the injection molding machine.

Abstract: A fish model to replace the use of live fish in hydroelectric studies is provided. The fish model is cast from ballistic gel to include the density, dimensions, and weight distribution of a selected species of living fish. The fish model is formed by additively manufacturing a mold based on a three-dimensional scan of an actual fish. The mold is then used to mass produce fish models for force measurement testing at various blade speeds, thickness, and impact angles. Each fish model includes a surrogate skin and an internal sensor for strike force measurements. Optional additional sensors include strain gauges, temperature probes, pressure probes, and load sensors, for example.

Abstract: In an example, a machine-readable medium stores instructions which, when executed by a processor may cause the processor to modify data for characterising geometrical modifications for use by each of a plurality of additive manufacturing apparatus, wherein a modification for a particular additive manufacturing apparatus is based on dimensions of objects generated by that apparatus.

Abstract: The present invention is a system, comprising: isolate at least one floor joist from a building model; process a first set of data associated with the characteristics of the floor joist members, wherein the characteristics are related to the profile and length; process a second set of data associated with the assembly of the floor joist; create an assembly process of the floor joist, wherein an assembly and disassembly of the floor joist is performed to determine at least one assembly process based on the order of connecting the floor joist members from a construction perspective; formulate a package of the floor joist, wherein the package is organized based on assembly process; adjust the orientation of the members within the package based on the shipping vessel limitations and the other bundles of the model which are contained within the shipping vessel; and generate a graphical representation of the package.

Abstract: Various embodiments related to three dimensional printers, and reinforced filaments, and their methods of use are described. In one embodiment, a void free reinforced filament is fed into a conduit nozzle. The reinforced filament includes a core, which may be continuous or semi-continuous, and a matrix material surrounding the core. The reinforced filament is heated to a temperature greater than a melting temperature of the matrix material and less than a melting temperature of the core prior to drag the filament from the conduit nozzle.

Abstract: In an example implementation, a method of compensating for dimensional variation in 3D printing includes receiving a voxel space model that represents a 3D object to be printed within a build volume of a 3D printing system, asymmetrically eroding voxels from the voxel space model, and printing the 3D object based on the asymmetrically eroded voxel space model.

Abstract: In one example in accordance with the present disclosure, a system is described. The system includes a reader to read an identifier from a storage element associated with a part. An extractor of the system extracts, based on the identifier, lifecycle conditions specific to the part. A controller of the system alters manufacturing operations based on extracted lifecycle conditions for the part.

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: An apparatus for producing an object by additive manufacturing layer by layer in a layer sequence. The apparatus includes a process chamber for receiving a bath of powdered material, a support for positioning the object in relation to a surface level of the bath of powdered material, a solidifying device for solidifying a selective layer-part of the powdered material, and a control unit for adjusting for individual layers in the layer sequence, a setting of at least one process parameter, during the manufacture of the object. A method, performed by the apparatus, including the step of adjusting, by the control unit, for individual layers in the layer sequence, the setting of at least one process parameter, during the manufacture of the object.

Abstract: Apparatuses and methods for generating a manufacturing quote are provided. Part data for a part to be manufactured is received by a processor, where the part information includes information defining the part or specifying one or more aspects of the part. A model of the part is generated and at least a toolpath to create the part is generated. A manufacturing quote is generated using the model of the part. Feedback regarding part design may be provided and manufacturing of the part may be initiated.

Abstract: A method of additively manufacturing three-dimensional objects, and/or a method of controlling one or more irradiation parameters of the energy beam system, may include determining an irradiation setting using an irradiation control model and outputting an irradiation control command to an energy beam system based at least in part on the irradiation setting. The irradiation control model may be configured to determine the irradiation setting based at least in part on a power density factor and/or an irradiation vector factor. The irradiation control command may be configured to change one or more irradiation parameters for additively manufacturing a three-dimensional object. An additive manufacturing system may include an energy beam system and a control system that includes an irradiation controller. The irradiation controller may include a control module configured to perform such a method.

Abstract: Systems and processes for designing and generating personalized surgical implants and devices are described herein. In various embodiments, the process includes generating patient-specific implants with patient-specific surface(s) and/or textures designed for increased osseointegration and improved surgical outcomes. In various embodiments, the process includes extracting patient-specific data with one or more aspects of an anatomical feature, processing the one or more aspects of the anatomical feature to create a non-rigid shape reference, and generating a patient-specific implant or device.

Abstract: A system and a method for improved generation of 3D avatars for virtual try-on of garments is provided. Inputs from a first user type are received, via a first input unit, for generating one or more garment types in a graphical format. Further, a 3D avatar of a second user type is generated in a semi-automatic manner or an automatic manner based on capturing a first input type or a second input type respectively received via a second input unit. The first input type comprises measurements of body specifications of the second user type and the second input type comprises body images of the second user type. Further, the generated garments are rendered on the generated 3D avatar of the second user type for carrying out a virtual try-on operation.

Abstract: An intervertebral implant comprising a body formed as an open truss structure, the body having a generally annular shape with a superior surface, an inferior surface, and a perimeter surface extending around an outer periphery of the body. The body may have a central portion and a peripheral portion, the peripheral portion extending inward from the perimeter surface toward the central portion, the peripheral portion including a first set of trusses, and the central portion including a second set of trusses. The implant may further include a strut at least partially defining a boundary between the central portion and the peripheral portion, wherein the strut has an oblong cross-sectional shape oriented to facilitate flow of bone graft material in a substantially radial direction away from the central axis.

Abstract: A method for generating a tool designed to interact with an object includes obtaining a model of the object, the model including at least a geometry of the object. A criterion set including at least one criterion for the tool is determined, and a virtual tool fulfilling the criterion set is created. An attribute reflecting a simulated interaction between the model and the virtual tool is calculated to thereby obtain an attribute value. On the basis of the attribute value, a to-be-fabricated virtual tool is appointed, and a corresponding tool is fabricated. By means of the present method, the performances of candidate tools can be evaluated before the fabrication of the same. Based on the evaluation, it can be decided whether, and which one, of the candidate tools shall be fabricated.

Abstract: Methods, systems, and apparatus, including medium-encoded computer program products, for designing and manufacturing physical objects including lattice structures include, in one aspect, a method including: obtaining a skeleton model of a lattice structure, constructing a control point frame surface model using the skeleton model, generating a shell mesh model of the lattice structure using the control point frame surface model, performing numerical simulation of a physical object using the shell mesh model included within a 3D model of the physical object to produce an assessment, modifying the skeleton model or the control point frame surface model based on the assessment to change the lattice structure until it satisfies at least one response requirement, producing from the control point frame surface model a solid body model of the lattice structure hollow beams, and providing at least the solid body model for use in manufacturing a hollow lattice structure.

Abstract: Methods, systems, and apparatus, including medium-encoded computer program products, for computer aided design of physical structures using generative design processes, where three dimensional (3D) models of the physical structures can be produced to include lattices, hollows, holes, and combinations thereof, include: obtaining design criteria for an object; iteratively modifying 3D topology and shape(s) for the object using generative design process(es) that employ a macrostructure representation, e.g., using level-set method(s), in combination with physical simulation(s) that place void(s) in solid region(s) or solid(s) in void region(s) of the generative model of the object; and providing a 3D model of the generative design for the object for use in manufacturing a physical structure corresponding to the object using one or more computer-controlled manufacturing systems.