Under the guidance of our good friend RetireeJay, I was able to complete my CoreXY printer, and here it is (banana & vinyl for scale)...
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Clone Rev.D Printrboard, 1st Gen. direct drive aluminum extruder, & Ubis 13 metal hotend, all ABS parts printed on Kickstarter edition of the PB+.
If you don't mind about 150 hours of print time and 2+ kg of filament, you can snag the files here: http://www.thingiverse.com/thing:1014884