Cutting fabrics and leather

Dan or Dennis,
What are you two using for patterning software and/or 3D to 2D patterning?
Thanks

I use inkscape en Estlcam

Do you pattern from a 3D model? Is it accurate?

What about the needle cutter? At some point I plan to build one of these but haven’t yet. I would think it could cut fabric.

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Hi Dennis-
I know this thread is old, but yes you can use Mach3 to do tangential cutting. I once built a machine to cut insulation material using a fabric cutter (bosch type w/ two blades) which rotated on its axis to follow the direction of the cut. It was just a simple setting in Mach3 without any other tweaking to the CAM files.