Ring measuring tool
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A tiny and infinite measuring tool inspired by Laura Kampf
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Updated at source:
Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution
The perimeter of the ring is exactly 10 cm. You can measure any distance or shape by rolling the disk and counting the rotations!
Design is print in place and does not require supports. The "bearing" may benefit from a bit of lubricant, such as WD40.
There are two versions:
With oring: A rubber oring is added on the perimeter of the disk to improve grip on smooth surfaces. I used a 26 x 2 mm oring.
Without oring: The diameter is slightly larger to compensate for the missing oring. I have found that the disk tends to slip on smooth and hard surfaces (metal, glass, ...)
STEP files are included for remixing.
The idea is taken from this video by the amazing Laura Kampf :