![]() ![]() Recommended reading: How to find free STL files Overall, contemporary design software offers a huge variety of features that help users create stunningly detailed 3D models. Typically, users can choose between 2D or 3D design views. ![]() Some users make their own 3D designs by drawing and modifying geometric shapes on-screen, but models can also be algorithmically generated. CAD applications are powerful tools that allow for the creation of very complex 3D designs. ![]() But 3D printers can only work with digital instructions.ģD models for printing are made using computer-aided design (CAD) software. Compare 3D printing to machining, for instance: machines like mills or lathes can either use computer numerical control (with a 3D model providing the instructions) or be operated manually, without any digital foundation at all. This isn’t the case with all manufacturing processes. Knowing how to make a 3D model for printing is very important, since there is no other way to create printed objects. ![]() The outcome of the print is a physical representation of the digital 3D model. Every print begins with a digital model designed using CAD software, which is then converted or “sliced” into instructions that can be understood by the 3D printer. 3D models are the foundation of 3D printing. ![]()
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