its not perfect but i came up with a simple design for a test bench requires superglue and screws and will print in a 140mm diameter x250 high have fun
1. base center v2.STL
2. base front.STL
3. base back.STL
angle left.STL
back part a.STL
back part b.STL
blank side test bench.STL
pcie v3 left.STL
pcie v3 right.STL
right angle.STL
side 2 test bench.STL