Knurling is normally conducted on a lathe and is part of the manufacturing process adding a pattern such as cross hatching or bumps to a surface to give it a finish look and allow the surface to be gripped easily. This can be recreated for your 3D printer projects allowing your 3D printer to apply the surface at time of print. In this tutorial we use the open source CAD software FreeCAD to create this surface on a cylinder created from the art design. We use a datum plane and a sketch along with a mirror to create the cross hatching. We learn how to calculate the spacing across a curved surface and then apply this to our model.
#FreeCAD , #CAD , #Python , #3D , #3DPrinting, #CNC
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