Bangle Bearing

thingiverse

Print this large gear-bearing bangle project by Emmett's Gear Bearing, which makes an interesting talking point about 3D printing. A friend suggested it could be a fashionable bangle, but its worth as a print challenge is proven. As suggested by Sal, print gear bearings with large circular holes rather than hexagonal ones for better results. Attach the modified .scad file to maintain full parametric design and an STL file compatible with your printer's tolerance. Watch this bangle working as a gear bearing in the video but not as fashion wear. Before starting, print a smaller gear-bearing first to ensure right tolerance. Failure may result in a fused lump of plastic that doesn't move at all. Choose reliable slicing tools like Slic3r or Kisslicer for gcode preparation. Print in any direction. After printing, free the parts by wiggling and rocking them. Use a penknife blade to break stubborn fused areas. Run it through several revolutions. Fit a large round object inside the bangle, then press it against moving bicycle tyre for several minutes to smooth out any bumps and get a smooth-running bangle. Be careful of the teeth as they are sharp!