3D magnetic compass
thingiverse
3D compass to measure direction of magnetic fields Place small Neodymium magnets in the central ring as magnetic field sensor, if necessary fix with glue or Blu-Tack. Depending on the quality of the print you might need to work a bit with sand paper on the joints. Print Settings Printer Brand: Ultimaker Printer: Ultimaker 2 Rafts: No Supports: No Resolution: 0.1mm layer height Infill: 15%
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