About this 3D model
SuperSkein is being aggressively prepped for supporting infill, shells, rafts, the whole nine yards. Meanwhile, your intrepid developers have forked off a variant which will remain simple and lightweight in perpetuity, so that others who wish to try their own infill techniques and variations will have a comparatively lightweight starting point! You can visit SimpleSlice's GitHub page here for the latest and most pared-down variants: http://github.com/MaskedRetriever/SimpleSlice (SimpleSlice will only get MORE lightweight, not less. SuperSkein is where such niceties as variable extrusion speed, wipes, infill, etc will be added.)