End cap for rectangular tube (parameterized)
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Model information
- Source
- Printables
- Category
- Other House Equipment
- License
- Creative Commons — Attribution — Share Alike
Design your own end cap for open rectangular or square pipes/tubes e.g. installation rails or shelf supports. Change in the attached Fusion file the parameters of outside height and width, wall thickness, rounding to define the cap dimension. Also change the parameter of cap thickness in case if you like to get a more rugged profile.


The function is based on a wedge clamp that is tightened by a screw. M3 cylinder screws with a length of at least 16 mm are best suited, but longer threads are also no problem.
No supports or brims are necessary. Print with layer 0.2 mm. My prints were down by 30% filling in PETG with nice results. But PLA should work as well.
Have fun!