15x15 mm table clamp for square round tubes aluminium profil

15x15 mm system for square round tubes from DIY store

Inside Dimension = 15.5 * 15.5 mm
Nut Size M5
Nut internally

Easily printable.
For the framework are 0.8 mm shell and 25% filling enough.

For aluminum hollow section profile is the weak point.
Tighten the screw only slightly.

Use 2 and a aluminium profile for a table clampe or use 2 as a normal clamp.
Or to adjust other parts.