software for stl

which software is best for creating stl . I am new to cnc but need advise and help

The ones i use are (because they’re free):

F360
Houdini (Sidefx)
Blender3d.

All have a bit of a learning curve depending on your background.

I hear Plasticity is easy to use, but i have no experience in it.

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I primarily use FreeCAD and am dipping my toes into OnShape.

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Thanks a lot ,your help means a lot to me

Thanks a lot for sharing your experience