This small caliper keychain is a handy tool that can measure with a least count of 0.1mm. It is perfect for on-the-go measurements of small objects, and can easily fit in your pocket or attach to your keys.
The model is easy to print and assemble, and includes visible markings and a sliding jaw for accurate readings. Print one for yourself or as a useful gift for anyone who needs precision measurements on the fly!
Recommended Slicer: Cura