A remix of the caliper-attach for a ruler, you can modify the model to fit your needs.
All the measures are in mm.
You can change:
I will add the model for my ruler configuration (26 - 1.8 - 2)
bottom_26-1.8-2.stl | 34.3KB | |
chad_caliper.f3d | 327.3KB | |
top_26-1.8-2.stl | 78.9KB |