![]() ![]() However, with the popularization of additive manufacturing (3D printing), there is now a real need to model 3D threads, in order to print them exactly as designed. In traditional systems a thread does not need to be represented directly in 3D space, as it can be indicated with its required characteristics in the 2D technical drawing that is sent for manufacturing. In traditional CAD systems modelling screw threads is discouraged because it puts a big load on the modelling kernel, as well as on the rendering of the shapes. ![]() ![]() The updated content focuses on the use of the PartDesign Workbench to create the thread, and new illustrations for methods 0 to 3. It was updated for v0.19, although the overall process has been essentially the same since v0.14, when the tutorial was originally written. This tutorial is a collection of techniques to model screw threads in FreeCAD.
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