Building the Tray - Step 1.
PROCESS:
Make a rectangle of 50×25x2.0 mm RHS.
2 Lengths at 1600mm
2 Lengths at 2000mm
All cut at 45 degree angles.
Lay out on floor, raised on some 50×20mm flat bar. Hold all angles with magnetic 90 degree clamps.Check square with set square.
Tack 2 dots oninside and outside edge with ARC welder, re check its square.
Tomorrow:
Cut 5 ‘ribs’ from 50×25x1.6mm RHS and cut them on a 45 degree angle. 2 x tack welds on each to check they are ’square’ Flip and square up the other side and tack 2 dots in each corner. Then weld one surface at a time in each corner, checking angles and square as we go.
Welding will be done with a Tig welder. 
