Dialing in my work space by using a template to
define my actual usable cutting area.
Best I can get is 290 x 190. I’m OK with that.
I already know I want a bigger table/laser 
You can get the parts from light object;
ECNC-2M415 Mini 2 Phase 1.5A 1-axis Stepping Motor Driver
ECNC-SC04 Stepping motor controller board & tester
EPS-D24V5APS DC 24V 5A Switching Power Supply
Oh and a DPDT switch (up/dwn) and some limit switches.