Connection Standoff
thingiverse
I need my ball bearing to move freely, it's a simple requirement that works for me and maybe for you too. Print Settings Rafts: No Supports: Yes Resolution: .2mm Infill: 30 Notes: I use 10 lines of Brim support and 60 Travel and Print speed - it does the trick for me. Standards NGSS CCSS Overview and Background All you need is for something to move freely, that's all there is to it. No further explanation needed. Lesson Plan and Activity There are no limits to what can be done with a 3D printer and any type of filament.
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