Free 

I wanted to be able to quickly connect and disconnect my 100mm duct to the 120mm fan of my engraving housing so I created this twist lock connection set .
- duct for 120mm fan - 100mm duct hose (with a notch for optional attachement of a zip tie - lid for fan duct when duct hose not connected
You have to print with minimal supports. See my cura screenshots for recommendation.
Print Settings
Supports:
Yes (see screenshots)
Resolution:
0.2
Wall Line Count:
3
Infill:
10%












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