Just stumbled on this
https://www.servocity.com/html/actoboticstm.html
Seems like a awesome toolkit for building my first 3d printer.
https://www.servocity.com/html/stepper_motor_mounts.html#.U3wWJyjzfHM
The prices are good, its a lot cheaper than getting say 80/20 custom cut and the holes drilled. Reusable, repurposable.
Looks like a few people have already built printers using this stuff.