The general idea taken from:

https://www.thingiverse.com/thing:2900194 

https://www.thingiverse.com/thing:2772207

But plastic and a soldering iron, and the more so a soldering fan - things incompatible.

Therefore, I made my version of the clamp out of available materials, which are not affected by high temperatures.

The only plastic parts are the swing and cork.

The basis is Wenge oak 

Aluminum profile rail - 15 2 70mm 

Aluminum tubes with a diameter of 6 1 38 mm - 2 pcs, and 6 1 15 mm - 1 pcs 

Stainless steel pin diameter 2 mm length 30mm 

Rolling shaft diameter 3 mm length 24 mm 

Threaded stud M4, And the spring is suitable in size, as well as nut butterfly M4 

Countersunk head screws M3 * 6mm 

The compounds are glued together with epoxy resin