They are suitable to use with t-nuts and L-brackets. You can save time printing it in vase mode (see printing notes) or you can use your favorite printing settings.
Scale Z height depending on your needs and print vertically
Printing notes:
Unlike other slicers, you can determine shell thickness, even in vase mode, in Cura(15.04) easily. You can find my settings below.
Layer height: 0.2 mm
Shell thickness 0.8 mm
Expert config --> Spiralize the outer contour (checked)
--> Solid infill top (unchecked)
--> Solid infill bottom (unchecked)
Check other 2020 and 2040 profiles,
2020: https://www.thingiverse.com/thing:2956293
2040: https://www.thingiverse.com/thing:2972150
UPDATE:
Now you have the connectors :)
https://www.thingiverse.com/thing:2992743
4040v3.stl | 85.2KB | |
40x40.stl | 56.3KB | |
40x40v2.stl | 66.1KB |