ok ive built a cnc from scratch its a 3 axis and i'm using some cheap stepper motors and a chinese controller to.... well control it. it works quite well really, i'm having a problem with the whole drawing stuff for the machine to cut jobbie. basically i'd like to do some photos for the family, ive worked out how to turn them into a height map but i cant seem to get the damn thing to change that into something that resembles g-code. can someone please hold my hand and walk me through this as i feel like i'm banging my head against a wall here. any help would be greatly appreciated. thanks in advance kaighn.