Many possible interpretations, the α-shape being one of them. Points in 2D or 3D and we want to have something like "the shape formedīy these points." This is quite a vague notion and there are probably A bit about α-shapes (from the referenced article) Then we sample a point cloud along the toolpath. Loss of information in the slicing process thus, the reverse process cannot obtain the exact original model.įirst, we parse the GCode instructions provided as input in a file and extract the toolpath. Printing instructions using discrete sampling. Process, a continuous 3D model (polyhedron) is converted to The goal of this project is: Given a file that contains printing instructions of a model in GCode (.gcode), recover the closest possible copy of the original model, represented in the STL format. A hacker has gained access to the network, and intends to steal the models. Order to protect the firm’s intellectual property (STL models), the models undergo slicing and the GCode commands are
In a large firm, a 3D printer is connected with a cable to a controller PC. The conversion process is referred to as Slicing, as it cuts the model into horizontal slices (layers), generates toolpaths to fill them and calculates the amount of material to be extruded. In the 3D Printing Process, a 3D model, typically, represented in the STL format, is converted to a sequence of instructions in GCode, which are interpretable by the 3D printer. As 3D printing become more prominent, concerns about security issues related to the 3D printing process arise, specifically, the issue of intellectual property theft of 3D models.
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