| We can replace the vertical 80/20 members by 1×1" L, 1/8" wall
extrusions. The angle brackets are 1.25" wide, so the 1/8" wall will end
up in the right surface. Use countersunk bolts and nuts.
The cross piece that holds the 80/20 bar that sits on top of the bars needs
to be replaced with a 5.75" piece.
The 2.5×2.5" angle that holds the bars in place needs to be trimmed a
bit since now it sits inside the corner angle, and
remounted onto the new corner angle.
The new L extrusions are 45 3/8" long, we need 16.
7 nuts&bolts × 2 per box, 8 boxes, 112 each+extras.
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