Abstract: An alignment method adopted by a 3D printer having a 3D nozzle for jetting material and a 2D pen-module for jetting colored ink is disclosed. The 3D printer first controls the 3D nozzle to print an alignment template on a printing platform, wherein the alignment template comprises multiple alignment blocks respectively and separately printed along an axis, and each alignment block respectively deviates from each center-line according to an accumulated offset. Next, the 3D printer controls the 2D pen-module to print an ink matrix on the alignment template, wherein the ink matrix comprises multiple ink blocks respectively and separately printed along the same axis, and each ink block is exactly corresponding to each center-line respectively. The 3D printer uses covering status of each alignment block and each ink block to determine a deviation between the 3D nozzle and the 2D pen-module, so as to perform an alignment action thereupon.

Abstract: A 3D color printing mechanism includes a sliding track (100), a slider (200), a painting nozzle (300) and a modeling nozzle (400). The slider (200) is arranged on the sliding track (100) and capable of sliding between two ends of the sliding track (100). The painting nozzle (300) is arranged on the slider (200) and comprises at least one ink jet head (310). The modeling nozzle (400) is connected to the slider (200) and includes a material squeezer head (410). The material squeezer head (410) is arranged non-collinearly with the ink jet head (310) at a direction parallel to the sliding track (100).

Abstract: A platform structure of 3D printer and an additivity carrier thereof are provided. The platform structure of 3D printer includes a movable platform, a magnet and an additivity carrier. The magnet is mounted on the movable platform. The additivity carrier includes a base plate, a metal thin plate, a magnetic layer and a plastic thin plate. The metal thin plate is laminated and attached on the base plate. The magnetic layer is laminated and attached on the metal thin plate. The plastic thin plate is laminated and attached on the magnetic layer. The additivity carrier can be magnetically attracted by the magnet through the magnetic layer to make the additivity carrier removably connected to the movable platform. As a result, the platform structure has a function of conveniently and rapidly assembling or dissembling the additivity carrier.

Abstract: A three-dimensional printing apparatus and a method of compensating a coordinate offset of a nozzle are provided. The method includes the following. A first nozzle and a second nozzle are controlled to print a testing three-dimensional object on a platform according to a calibration model. The testing three-dimensional object includes a plurality of correlation structures respectively corresponding to a plurality of compensation parameters, and each correlation structure includes a first sub-structure and a second sub-structure. The first sub-structure is formed of a first forming material, and the second sub-structure is formed of a second forming material. Through observing a joint level between the first sub-structure and the second sub-structure of each correlation structure, a best correlation structure, which is used for performing compensation on a printing coordinate of the first nozzle or the second nozzle, is selected from the correlation structures.

Abstract: A cleaning mechanism of a 3D printer including a cleaning module, a first wiper, a second wiper, and a carrier is provided. The cleaning module has a top plane. The first wiper is arranged corresponding to the cleaning module and protruding beyond the top plane. The second wiper is arranged on the cleaning module and protruding beyond the top plane. The carrier is connected to a rail and suspended above the cleaning module. A modeling nozzle corresponding to the first wiper and a painting pen corresponding to the second wiper are arranged on the carrier and movable. The modeling nozzle and the painting pen are arranged respectively aligned to the first wiper and the second wiper. The modeling nozzle is allowed to move pass the first wiper and bypass the second wiper. The painting pen is allowed to move pass the second wiper and bypass the first wiper.

Abstract: A 3D printer having a door lock structure includes a housing, a door panel, a door lock structure, a coloring nozzle set, an actuator, and a controller. The door panel is pivotally connected to the housing. The door lock structure is arranged corresponding to the door panel and has a locking position and an unlocking position. The actuator is connected to the door lock structure and drives the door lock structure to lock or unlock the door panel. The controller is electrically connected to the actuator. The controller controls the actuator to drive the door lock structure to the locking position. The controller activates an unlocking mode after a predetermined time after the coloring nozzle set stops operating. In the unlocking mode, the controller controls the actuator to drive the door lock structure to the unlocking position.

Abstract: A slicing and printing method for colour 3D physical model with protective film is provided. The method executes a slicing process to colour 3D object data for generating multiple layers of object slice data and colour slice data, generate multiple layers of body slice data and multiple layers of protection slice data according to multiple layers of the object slice data, manufacture multiple layers of body slice physical models according to multiple layers of the body slice data, color each layer of the manufactured body slice physical model according to the same layer of the colour slice data, and use light-transmissive print materials to manufacture multiple layers of protection slice physical models according to multiple layers of the protection slice data. The method can effectively make the manufactured colour 3D physical model be with light-transmissive protective film, and prevent the colour 3D physical model from decolorization.

Abstract: A quick release print head includes a heating block, a nozzle tube and a connecting tube. The nozzle tube is inserted in the heating block. One end of the nozzle tube has a nozzle and the other end is extended with an extension tube exposed to the heating block. The connecting tube is connected with the extension tube. Whereby, the extension tube extended from the nozzle tune is exposed to the heating block so that the nozzle tube disposed near the heating block cannot be disassembled. Thus, a process of replacing components by heating a nozzle can be bypassed, and advantages of quick disassembly and easy maintenance of the print head can be achieved.

Abstract: A three-dimensional printing method adapted for a three-dimensional printing device to print three-dimensional object includes: providing structure information and coloring information of a three-dimensional object, performing a slicing process on the three-dimensional object by a processor to obtain information of a plurality of printing layers, controlling the coloring information of the three-dimensional object correspond to the information of the printing layers by the processor to obtain the information of color layers corresponding to each of the printing layers, and disposing an adhesive layer on each of the printing layers and the color layer corresponding thereto, such that the adhesive layer covers at least a part of the color layer.

Abstract: A 3D printer including a device body (100) and a scanning module (200) is provided. A printing plane (101) is defined on the device body (100). The scanning module (200) is arranged on the device body (100), the scanning module (200) is electrically connected with a control module (300), and the control module (300) is electrically connected with a nozzle assembly (310) and a pen assembly (320). A 3D data is loaded in the control module (300) and a predetermined painting position is defined in the 3D data. The control module (300) receives a scan image from the scanning module (200); the control module (300) controls the nozzle assembly (310) to print a model (20) according to the 3D data and meanwhile controls the pen assembly (320) to paint on the model (20) according to the predetermined painting position and the scan image.

Abstract: A three dimensional printing apparatus and a printing head module are provided. The three dimensional printing apparatus includes a base, a printing head module and a controller. The base has a carrying surface. The printing head module includes a printing head, a fan and a nozzle guiding cover. The printing head includes a heating element, a feeding channel and a nozzle. The feeding channel connects the nozzle. The nozzle guiding cover is disposed correspondingly to the fan and extended to the nozzle. The nozzle guiding cover includes a nozzle outlet located between the nozzle and the carrying surface. The controller is coupled to the printing head module to control a hot-melt material transmitting to the nozzle, and the heating element is configured to heat the nozzle so the hot-melt material is melted and dispensed on the carrying surface to form a three dimensional object.

Abstract: A quick release print head includes a heating block, a nozzle tube and a connecting tube. The nozzle tube is inserted in the heating block. One end of the nozzle tube has a nozzle and the other end is extended with an extension tube exposed to the heating block. The connecting tube is connected with the extension tube. Whereby, the extension tube extended from the nozzle tune is exposed to the heating block so that the nozzle tube disposed near the heating block cannot be disassembled. Thus a process of replacing components by heating a nozzle can be bypassed, and advantages of quick disassembly and easy maintenance of the print head can be achieved.

Abstract: A quick release print head includes a heating block, a nozzle tube and a connecting tube. The nozzle tube is inserted in the heating block. One end of the nozzle tube has a nozzle and the other end is extended with an extension tube exposed to the heating block. The connecting tube is connected with the extension tube. Whereby, the extension tube extended from the nozzle tune is exposed to the heating block so that the nozzle tube disposed near the heating block cannot be disassembled. Thus a process of replacing components by heating a nozzle can be bypassed, and advantages of quick disassembly and easy maintenance of the print head can be achieved.

Abstract: A 3-D printing apparatus includes a body, a disposed in the body, a control module, a print head module assembled to the body and electrically connected with the control module and a sensing module. The sensing module is assembled to the print head module to move along with the print head module in the body and electrically connected with the control module and includes a probe. The control module drives the print head module to move and causes a part of the body to hit the sensing module, thereby driving the probe to protrude from the print head module to form a first state. In the first state, the control module drives the print head module to move and causes the probe to contact the platform, thereby determining a surface state of the platform.

Abstract: A three dimensional printing apparatus including a frame, a control module, a nozzle module, and a feeding module is provided. The nozzle module is movably disposed in the frame and electrically connected to the control module. The control module drives the nozzle module to move in the frame to define a printing space. Also, the control module drives the nozzle module to print a three dimensional object in the printing space. The feeding module is detachably assembled to the frame and electrically connected to the control module. The control module drives the feeding module to transfer a medium into the printing space and drives the nozzle module to print a two-dimensional pattern onto the medium.

Abstract: A three dimensional printing apparatus including a frame, a control module, a nozzle module, and a feeding module is provided. The nozzle module is movably disposed in the frame and electrically connected to the control module. The control module drives the nozzle module to move in the frame to define a printing space. Also, the control module drives the nozzle module to print a three dimensional object in the printing space. The feeding module is detachably assembled to the frame and electrically connected to the control module. The control module drives the feeding module to transfer a medium into the printing space and drives the nozzle module to print a two-dimensional pattern onto the medium.

Abstract: A quick coloring method for a 3D printer having an ink nozzle-head includes the following steps: reading an image file and a coloring route; controlling the ink nozzle-head to move to a start position of one of printing rows; controlling the ink nozzle-head to move and to print a coloring object according to the image file and the coloring route; reading a reverse image file and a reverse coloring route, in which the reverse image file records a horizontal reverse image of the image file, and the reverse coloring route records an opposite start position; controlling the ink nozzle-head to move to the opposite start position of next printing row according to the reverse coloring route; controlling the ink nozzle-head to move and to print the coloring object according to the reverse image file and the reverse coloring route; and re-executing above steps before a coloring operation is completed.

Abstract: A 3D printer including a device body (100) and a scanning module (200) is provided. A printing plane (101) is defined on the device body (100). The scanning module (200) is arranged on the device body (100), the scanning module (200) is electrically connected with a control module (300), and the control module (300) is electrically connected with a nozzle assembly (310) and a pen assembly (320). A 3D data is loaded in the control module (300) and a predetermined painting position is defined in the 3D data. The control module (300) receives a scan image from the scanning module (200); the control module (300) controls the nozzle assembly (310) to print a model (20) according to the 3D data and meanwhile controls the pen assembly (320) to paint on the model (20) according to the predetermined painting position and the scan image.

Abstract: A nozzle head cleaning module including a base housing having a main slope; a main carrier received in the base housing, a sub-carrier received in the main carrier and has a cover protruding upwardly, and an interference structure is provided. A set of one or more horizontal planes is formed on the main slope. A set of one or more main slide pins contacting with the main slope protrudes from the main carrier including a sub-slope, and the main carrier is moved along the main slope. When resting on the main slope, the main slide pin contacts with the main slope by multiple contact points. When resting on the horizontal plane, the main slide pin contacts with the horizontal plane by multiple contact points. The horizontal plane support main slide pin to maintain the cover in a raised position when the main slide pin is located thereon.

Abstract: A nozzle head cleaning module including a base housing having a main slope; a main carrier received in the base housing, a sub-carrier received in the main carrier and has a cover protruding upwardly, and an interference structure is provided. A set of one or more horizontal planes is formed on the main slope. A set of one or more main slide pins contacting with the main slope protrudes from the main carrier including a sub-slope, and the main carrier is moved along the main slope. When resting on the main slope, the main slide pin contacts with the main slope by multiple contact points. When resting on the horizontal plane, the main slide pin contacts with the horizontal plane by multiple contact points. The horizontal plane support main slide pin to maintain the cover in a raised position when the main slide pin is located thereon.