Aero bell

thingiverse

keep trying to scare the birds in my garden (it can also annoy your neighbors (that can be an advantage or disadvantage)) material : 1 x screw M6 x 35 3 x bearing 606ZZ (6 x 17 x 6 mm) 70mm threaded rod M6 1 x screw M3 x 30 2 x screw M3 x 10 4 x carpenter nails 2 x 30 mm bell reception dia 70 x 30mm note: degrease all bearings and grease again with very fluid oil (sewing machine oil) print: helix: layer 0.3mm | outline 1 | bottom/top solid layer 40000 (full) worm: layer 0.15mm | outline 1 | bottom/top solid layer 40000 (full) gear: layer 0.15mm | outline 2 | bottom/top solid layer 5 | fill 15% other: layer 0.2mm | outline 2 | bottom/top solid layer 5 | fill 15% https://youtu.be/BOLX_3Om11E https://youtu.be/rWcJ6BgFs3g