Dụng cụ xếp đĩa máy chà nhám Random Orbit

First model I've ever posted! Be kind I'm kinda new.

I can't stand fighting the hook-n-loop when aligning the sawdust holes on my sander. I saw someone making a jig with dowels and I figured it'd be an easy thing to design and print. It works a treat with my sander and the diablo discs I use. I haven't tested any other combinations but I don't see why it shouldn't work . If anyone downloads this, will you let me know? Thanks.

I printed it with 3 walls, 4 top/bottom surfaces and 25% infill and it's really strong. 

It works to organize too! Print one for each grit, and load a few discs.

Edit: my design fits my discs kinda tight so that they'll stay put in a toolbag. Some people have trouble fitting the discs and/or different sanders. For a looser fit try this version by @Verbs