O-Ring Perimeter Measuring tool - 100mm to 600mm
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A tool to get the perimeter of a rubber o-ring so the diameter can be calculated
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Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Public Domain
Do you have a bunch of Large O-rings where you don't know the diameter of them, and their size is too impractical for a typical size measuring cone? This tool will help!
This tool is a sliding ruler that calculates the inside perimeter of the O-Ring being measured. the groove can handle up to 5mm thick o-rings, and the circular guage is 100mm in perimeter. the ruler graduations are spaced apart in 1mm increments, and the formula that the graduations calculate is 100mm+(N*2). Divide the perimeter by Pi to get the diameter.
This was designed to print in a BambuLabs X1C diagonally. it should be compatable with any other brand printer with a 256mmx256mm print bed. The graduations were acceptable with a 0.4mm nozzle.
It can be printed in any material, but I recommend a greater than 40% infill so the ruler part has some ridgidity. supports is recommended for the slider part.