Yet another drill press

So I wanted to make a drilling press to drill some nozzles.
There was few here, but I decided to make my own anyways.
It is designed to hold 30mm wide 90mm long round hand drill.
It should do for 28-30mm wide 50-9001mm long round drills.

To assemble this thing you'll need:
* A desk (or just a plank)
* Four M6 bolts and nuts and preferably washers, 25mm or longer
* Four M3 bolts and nuts and washers, 20-30mm
* Four 3×12×4 v-groove bearings (V623)
* Four M4 bolts and nuts, 15-22mm
* Tw