MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
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I'm looking for characters hqs and other guard type stuff bits would be great too
I was about to recommend my hostile environment models, but I see you already have them in your collection.
I did however, just make some special weapon backpacks as well:https://www.thingiverse.com/thing:4664208
Look at CG Trader - TheMakersCult ... not Free but absolutly worth it