About this 3D model

Knife for ventilation tube with diameter 75mm with replaceable standard blade. Good gadget for correct cutting of the ventilation pipe when building a home ventilation distribution system Necessary parts: 4 screws M3x12 4 ruthex heat insert M3 (heat-insert version) or 4 hex-nuts (M3nut version) standard blade Allen key 3 (heat-insert version) neodynium magnet diameter 5mm and 4mm height for holding Allen key in the handle of knife Printed with PETG 0,4mm noozle, 0,2mm high, 4 perimeters, 25% infill, 5 bottom and top layers. Part 1 needs supports. Happy accurate cutting :-D