This is a simple way to add cable management to the bottom of any desk. Just use 20 mm double sided tape, or glue of your choice.

Update 5/1/2016 I was having issues with these staying attached to my desk, so I added a hole so that they could be screwed in.

Update 5/2/2016 I wasn't happy with this design so I did a total re-design it can be found here http://www.thingiverse.com/thing:1536164

Robo 3D

R1 ABS + PLA Model

No

No

.3

20

simple and quick to print .3 layer height.