Foldable Tool Box Arms
thingiverse
I had troubles with the original Arms. They were always breaking on insert and later on use. Without the cut in the middle and with round edged there are much better. If you want you can fiddle around with the fusion360 file.
Download Model from thingiverse
With this file you will be able to print Foldable Tool Box Arms with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Foldable Tool Box Arms.