M3 hex standoffs, 10 mm x 8 pcs
PCB standoffs the night before the deadline: eight in one print, hex flats so the screw can't spin them. Any height from 2 to 60 mm.

2D preview
⬇ Download STL + 3MF (zip)
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Specifications
| Bore | 3.4 mm - an M3 screw slides through |
|---|---|
| Hex | 5.5 mm across flats - takes a wrench |
| Batch | 8 pcs, laid out in a grid |
Printing
- Prints standing, no supports; 3+ walls make the wall solid at these diameters.
- Hex flats take a wrench when the screw spins.
- Tall thin spacers: slow down the last centimetre or the top rings wobble.