Hovercraft frames and float group

Module sets for m3 mounting on DIY model hovercrafts with square nut and 7.5mm x 7.5mm x 1mm hardware store profiles
impact spare parts and buoyancy bodies for DIY sets like the chassis two on grabcad

https://grabcad.com/library/last-stand-hover-acv-7353-five-zoll-series-1