Hearing bone helical bearing -Tight Tolerance
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Depending on your materials and printer this may not print
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
Warning! - Very tight tolerances !
This is a print that if your printer is not accurate or you use materials with lots of expansion will result in a fused part!
I recommend to print with regular PLA
I typically print overture PLA
Green and Blue colors generally are not as forgiving on tolerances. Silvers and bronze also can stick hard.
white, orange, and grey seem fine
Some orange PLA batches I fine to be near perfect on accuracy. 0.005 mm or better on the calipers to my amazement. White shrinks slightly .1mm to .05mm.
Olive green expands like crazy - would skip
regular green seems ok
To break free gently compress it to a slight elliptical shape and roll that eliptical shape around it to break any sticking planets up. Gently or you will break it or permanently distort it.
To make it spin even better use the water trick I discovered. <---- especially good on the other fidget rings out there. Just don't print it out of PVA and put it in water because there will be nothing left of the print - LOL
The Water Trick:
Put it in water bowl or running under a tap and move it. It must move under the water. Sitting in water will do nothing. Move and work it in under water. After a while pull it out and dry it. When its fully dry it should spin well - dependent of course if your material is good and your printer did a good job.