oRingPin

oRingPin is a parametric design for printable o-ring organizers. The examples show pins of 45mm height and 60mm height. ► 45mm pins fit inside of Plano 3700 series boxes, ► 60mm pins fit inside of 18650 battery cell organizers with 18mm base for press-fitment These models are exported in the range of 8mm to 18mm noted by the outer diameter, to fit corresponding o-rings with the matching inner diameter. Measuring o-rings: Simple test-fitment is sufficient to verify o-ring sizes within +/- 0.5mm, sufficient for differentiating any o-rings that come from one assortment. My O-rings in the sample photos include two kits: https://amzn.to/4xVzigf ► Assortment by ZDBB with 1,010 pieces, nitrile rubber, just $9.99 https://amzn.to/3SwKks9 ► Assortment by ZDBB with 1,540 pieces, $21.99 (purchased in 2022)