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Latch mechanism V2
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Simple Latch mechanism (using spring from ballpoint pen)
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Updated at source:
Model information
- Source
- Printables
- Category
- Engineering
- License
- Creative Commons — Public Domain
Update 27.11.2023: add step and ipt files
Simple latch mechanism version 2.
Version 1 is here.

Other necessary components:
- 1x screw M3
- 1x spring from ballpoint pen (⌀4-20 mm)
Printing parameter:
- Nozzle: 0,4 mm
- Layer height: 0,2 mm
- Perimeters: 2
- Infill: 15%
- Supports: None
- Filament: PLA
I recommend to print part rod.stl wiht 60% of printing speed.