I suspect any program that will automate the fiddly steps above will also be big $$. Prototype in cheap materials.Īpologies if this is essentially what you already do. Draw a big rectangle corresponding to fabric size, make it a group/component, then arrange pieces on it for most efficient fit. Tweak as necessary, for flat-fell seams, etc. Separate the pieces, rotate so they are all in the same plane (there may be a ruby script to do this, but I don't have it) then use the offset tool to add basic seam allowance for sewing. If it were me, I'd model my design in SU, copy the model, then select and make a group or component from each face in the copy (which would correspond to individual pieces of fabric). In a few weeks I want to start designing a tarp tent, and I'll probably use SU. I use Sketchup a lot, mostly for architectural applications, but I have used it to design a few large, inflatable sculptures that were sewn.
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