M134 Minigun
thingiverse
I tested print this on Ultimaker 2 with the right paint and it turns out very believable for cos-play etc. I'm not posting a photo in case I get in trouble due to strict gun laws where I live. I print mine with 15% infill but will go about 50% for handlebars and Y bars as 15% is not sturdy enough. Most don't need support when oriented flat surface down. The barrels are cut out from 15mm diameter PVC pipe. Be careful when gluing down the handles using the strongest glue you have, the design of the gun puts all weight into a tiny part of it.
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