Perfboard Build Surface

Hate warping and don't have a heated build platform‽ No worries, a few coins in perfboard will have you flat in no time.

These are instructions for an UP!, but most tips should apply to a Cupcake too! YMMV.

Taken from http://pp3dp.com/forum/viewtopic.php?f=3&t=96&start=10#p1792, here's all you need to know about warp-free printing on the cheap!

"The perfboard trick is baller! Big UP!s rross!

I haven't had any warping since I started printing on it and I'm going deep and wide and tall. Of course I've done the platform leveling and nozzle height adjustments, but until I printed on perfboard, I'd get some warping on wide, long or thick prints. If you can't find copper plated perfboard, no worries; it's the holes, not the copper, that does the trick.

A few tips if you decide to do this:

1. READJUST NOZZLE HEIGHT!!! Since you're adding ~1.5mm to the top of the platform, your current height will cause the nozzle to meet the perfboard in an unsightly way.
2. REMOVE! Rem