STLGen

All generators › Repair and spare parts

Square tube plug maker

End plugs for square steel and aluminium tube.

Drag to turn, scroll or pinch to zoom. Grid squares are 10 mm.
Building the model…
Saves an STL file in millimetres, ready for your slicer.

Your download is starting

should appear in your downloads folder in a moment. Click here if it does not start.

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About the square tube plug maker

A push-in plug for square box section, sized to the inside of your tube.

  • Common box sections are 20, 25, 30 and 40 mm outside; subtract twice the wall for the inside.
  • Set the corner radius to match the tube.
  • PETG stands up to sun and rain better than PLA.

Everything runs in your browser: nothing is uploaded and there is no sign-up.

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