I've made PCBs before, but I always find it messy and the results never that great. I just got boards I ordered from http://imall.iteadstudio.com/open-pcb/pcb-prototyping.html (10 pieces of 10x10cm 2 sided for $25) and I'm very happy with the result. Took about 2.5 week from ordering to delivery, with the cheapest shipping option.
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owen 19
I thinks it's more feasible to make a pen plotter for your UM and get a suitable pen for the job. Check out Thingiverse, It's been done like that before.
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