The idea of this clamp is very simple, it consists of two parts, fastened together by a movable connection. Using this tool, it is convenient to glue various crafts, work by welding with pipes and profiles
To adapt, you will need two pieces of a corner, wide strips of metal and a pair of narrow ones, nuts and bolts with a wing. First, clamps are made, then metal strips are welded to their base at an angle of 45 degrees.
Together with a tricky tool, it will work well with a square, thanks to the exact fastening of the plates, they can measure the angle on the craft and between the clamps themselves.