Vaccum cleaner nozzle for velvet (v3)

youmagine

I was fed up with my vacuum cleaner nozzles that consistently failed to sweep crumbs off my couch and got clogged all the time.\n\nSo I designed this nozzle with solid teeth instead of a single brush. It effectively sweeps tissues while allowing air to flow between the teeth, thereby preventing it from getting stuck (if the velvet is stretched sufficiently).\n\nV2 : added reinforcement to prevent cracks on top\nV3 : entire part has been made thicker