Flat-sided dowel pins (mm & inch sizes)
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These are dowel pins with a one side truncated so they can be printed horizontally for maximum shear/bending strength.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
This is a collection of dowel pins with a one side truncated so they can be printed horizontally for maximum shear/bending strength. I use these all the time for moving parts or multi-part prints so I made python script to crank out pins of all different sizes and lengths. milimeter and inch sizes included, inch sizes are saved to mm-based STL files.
The truncated portion is sized so it starts with a 35 deg overhang so it should print well for most setups. I usually add a lot of perimeters and align infill with direction of the pin for strongest pins. If you need a slightly under/oversized pin I would use the scale factor in your slicer. I set this up to only make pins with L/D between 1.5 and 3. Python file is attached if you need to make some other range of sizes, or if you want to adjust chamfer or flat size.