A method for additive manufacturing includes: at a build tray arranged over a build window and containing a resin reservoir of a resin, heating the resin reservoir toward a target bulk resin temperature less than a heat deflection temperature of the resin in a photocured state; at a resin interface between a surface of the build window and the resin reservoir, heating an interface layer of the resin reservoir toward a target reaction temperature; and, in response to the resin reservoir exhibiting a first temperature proximal the target bulk resin temperature and to the interface layer exhibiting a second temperature proximal the target reaction temperature: at the resin interface, selectively photocuring a first volume of the resin to form a first layer of a build adhered to a build platform; and retracting the build platform away from the build window.

A method determines position data of a platform at a plate of an additive manufacturing device, having scanner optics for scanning a laser. The plate has holes that receive a holder, marks on the plate, and receptors for receiving laser target parts. A first position dataset is obtained with a position of a holder inserted in a hole with respect to the marks. After mounting the plate and inserting the platform into the holder, a laser mark is marked on the laser target parts using the laser at laser mark positions in the scanner optics' coordinate system. A pre-manufacturing image of the support plate is acquired with the laser marks on the laser target parts. A second position dataset having positions of the marks with respect to the laser marks is obtained from the pre-manufacturing image. The position data is determined from the position datasets and the laser mark positions.

A method, computer system, and a computer program product for identifying and rectifying one or more defects on a structure is provided. The present invention may include identifying the one or more defects on the structure. The present invention may then include dynamically creating one or more magnetic paths for one or more 3D printer vehicles to travel to one or more locations of the identified one or more defects associated with the structure, wherein one or more temporary magnetic coil arrays associated with the structure are utilized to create the one or more magnetic paths. The present may further include rectifying the identified one or more defects on the structured by utilizing the one or more 3D printer vehicles, wherein the one or more 3D printer vehicles utilize 3D printing methods to rectify the identified one or more defects on the structure.

A closed-loop adaptive material deposition apparatus and method uses a scanning system to monitor an additively manufactured object as it is being fabricated and adapting the geometric shape and material composition of the subsequent layers based on the scan data. The scanning system repeatedly captures geometric and/or material information of a partially manufactured object with optional auxiliary objects inserted during the manufacturing process. Based on this information, the actual surface geometry and/or actual material composition is computed. Surface geometry may be offset and used as a slicing surface for the next portion of the digital model. The shape of the slicing surface may then be recomputed each time the system scans the partially fabricated object.

An optical shaping apparatus includes: a light source unit that outputs collimated light; an optical function unit that is disposed on an optical path of the collimated light and modulates the optical path or a phase of the collimated light; and a control unit that controls operation of the optical function unit, to irradiate a target surface with modulated light produced in the optical function unit.

A method of extracting data embedded in a 3D object includes a 3D scanning device scanning a 3D object and extracting data embedded as physical representations in the 3D object. A processing device will identify, from the extracted data, instructions for causing the processing device to perform an action such as identifying building instructions for printing a copy of the 3D object. The processing device will also perform the action to identify the building instructions, and cause a 3D printer to use the building instructions to print the copy of the 3D object. The processing device may be part of the 3D scanning device or part of another device or system that is in communication with the 3D scanning device.

Various embodiments include a method for additive manufacturing of a building structure on using a simulation comprising: accessing a data set for the building structure describing the building structure in layers; calculating a global heat development in previous layers based a building history and heat input by an energy beam; determining a local heat development in a vicinity of the heat input; determining the process control based on the global and the local heat development; loading correction measures from a database; and assigning the correction measures locally to individual vectors of a tool path of the energy beam. At least one mass integral is calculated for individual vectors of the tool path. The measures are determined on the basis of a comparison of the calculated mass integral with mass integrals stored in the database.

An integrated online dynamic balance terminal by 3D rapid prototyping includes a central tapered hole formed at a lower portion thereof, a plurality of identical balance cavities peripherally and spacedly formed on the integrated online dynamic balance terminal. Each two the adjacent balance cavities are separated by a cavity partition. The integrated online dynamic balance terminal further has a plurality of guiding channels indently formed on an inner peripheral surface thereof, wherein each of the four guiding channels communicates with a corresponding balance cavity through a corresponding trapezoidal hole. The integrated online dynamic balance terminal has a plurality of bored holes spacedly formed on an engagement surface. The integrated online dynamic balance terminal is configured from 3D rapid prototyping so as to form an integral one-piece structure, wherein some portions requiring high precision are arranged to undergo additional machining processes.

A method includes identifying a recipe for depositing layers on a substrate in a processing chamber of a substrate processing system. The recipe comprises iterations of a set of one or more processes, and wherein each iteration of the iterations is for depositing at least one layer of the layers. The method further includes determining changes to parameters for depositing the at least one layer on the substrate. Each of the changes corresponds to a respective iteration of the iterations and is associated with a relative position of a corresponding layer. The layers are to be deposited on one or more substrates based on the recipe and the changes.

Printers with orientable micro-mirrors are disclosed. An example printer includes a first micro-minor, a second micro-minor, a third micro-mirror, an energy source; and a controller. The controller is to, during a first time period, orient the first micro-mirror toward a first area of a powder bed, orient the second micro-minor toward the first area of the powder bed, orient the third micro-mirror toward a second area of the powder bed, and activate the energy source, wherein powder in the first area of the powder bed fuses to form a portion of an object in response to energy directed by the first micro-mirror toward the first area and in response to concurrent direction of energy by the second micro-minor toward the first area.