74x22 Inner Spool Adapter
thingiverse
Because of the wide width of the spool, it's almost brushing against the bolts of the spool holder. To solve this problem, I need to design an inner spool adapter for my 20mm tube. The spool adapter's outer diameter is exactly 74mm and its inner diameter is a precise 22mm. This design will make it easy to insert and remove the adapter. Here is my very first 3D model. Print Settings Rafts: No Supports: No Resolution: 0.3 Infill: 10%
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