Dell Micro 1U Rack Mount Reloaded

Remake of https://www.printables.com/model/644173-dell-micro-1u-rack-mount

I print this in PLA (all I had) but this is **NOT strong enough** to support the 2 Dell Optiplex Micro 3060 units weight; I guess it should be printed in ABS or other stronger materials. I added a 10cm yellow box as support for the back (it already brakes due to the weight of the 2 dell 3060 PCs; and without the power supplies!).

For the M4 screws and nuts; I didn't know exactly how it was fixed on the original models. I choose to heat the nut (10-12 seconds) and melt the PLA to insert the nut. The M4 screws I bought were 800 mm long; I cut them (-12mm) so they perfectly fit the required length.

A few changes from the original:
- The width has been reduced by 2 x 1.15 mm (much easier to install in my 19" rack)
- The diameter of the 4 main screws has been enlarged a bit + a chamfer to fit my M4 screws heads