merch-gyro Source on GitHub

Your startup's merch, off your own printer.

A print-in-place gyro: three rings and a core that spin on their own pins. Drop in your logo, watch it spin, download a two-colour file. It prints in one go, with no supports and nothing to assemble.

Just want ours? Download the Orbital gyro (3MF) or STLs.

1. Start from
2. Centre logo
3. Round the ring
4. Colours and fit

Gap between rings: snug 0.4 mm, standard 0.5 mm, loose 0.6 mm. Go looser if your printer fuses the rings.

5. Download
How to print it
  • 56 mm across, 8.6 mm tall. About 30 minutes and 14 g of PLA on a Bambu P1S.
  • Two colours (AMS): open the 3MF in Bambu Studio or OrcaSlicer. The body is filament 1 and the logo is filament 2; there is one colour change per plate.
  • One colour, swap by hand: print the one-colour STL and add a filament change at 8.2 mm.
  • 0.2 mm layers, no supports, no brim. Copy it nine times on a plate; it is still one colour change.
  • When it is done, twist each ring gently to free it. If one sticks at the bottom, run a craft knife round that gap, or reprint on Loose.