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How to quickly create a rock and import - export obj file in Blender 2.8 - 173

Here's a quick guide on creating a rock in Blender. How to export an obj file and import an obj file into Blender 2.8 Thanks ...
Hackaday

Reverse Engineering STL Files With FreeCAD

If you think about it, STL files are like PDF files. You usually create them using some other program, export them, and then expect them to print. But you rarely do serious editing on a PDF or an STL.