cnc: how to built it Answered

hi, dude!

i found this: https://www.instructables.com/id/Easy-to-Build-Desk-Top-3-Axis-CNC-Milling-Machine/?ALLSTEPS
do someone build it?
if yes, it works?, 

same questions for the driver do someone build it?, if yes it works?
does that driver works with a 4 wire motor like this?

thanks a lot

P.S. sorry for the grammar i'm not English.