Free31mm festoon LED holder (Trinus rail mount!)
Thingiverse
11 model
Free
FreeTeenyBee - 31mm prop toothpick
Thingiverse
FreeSeiko 5 V 31mm gap wrench
Thingiverse
Freespool holder for 31mm holes
Thingiverse
FreeG Scale 31MM Wheels
Thingiverse
FreeFlashforge creator pro spool holder (31mm)
Thingiverse
FreeX-Carriage prusa i3, 31mm spacing (for nema 17) with 4 bearing.
Thingiverse
Free3.1mm Holed Transmitter Joy Sticks
Thingiverse
FreeEnder 3 Pro Z axis 1mm Shim
Thingiverse
FreeCreality Ender 3 - X axis tensioner washer 1mm
Thingiverse
FreeAdjustable BL-Touch sensor mount for Ender 3 and CR10 REMIX - 1mm Thicker mount
Thingiverse