Spring powered propeller launcher

Printing:(red parts - C-TECH premium line PETG, black parts - Sunlu neat winding PLA)everything printed with 2 perimeters 10% lines (rectalinear) infillspring and ratchet should be printed with PETGpropelleruse HIPS or ABS if you can, printed on an ender 3 without an enclosure without issuesprint with random z seam to minimize weak spotslight propeller offers better performance, at least with the PETG I used it broke after a few uses. HIPS WORKS (most likely ABS as well)heavy propeller works with PETG but offers significantly lower performance (4 turns = ~1.5 m)shaft printed with a brim for better first layer adhesionAssembly:follow the videoattaching the handle can be tricky, be sure to have tweezers on hand to help guide filament pins into their respective holes.white pins shown in the video are bits of filament:top and bottom plate connections - 4 x 20.6 mm (can be shortened after assembly)bottom plate, ratchet, handle connection - max 24.2 mmbottom plate, handle connection - 3 x ma