Build Your Own SLA/SLS

I guess no-one reported back with a good reason. I gave up on using a Laser Pico Projector, I did some digging on how lasers work (not sure if they work exactly the same in a laser projector) but it seems laser wavelengths can not be manually adjusted and are at a fixed wavelength due to it's photod...

So I've been silently browsing through these forums in the past week, as I'm planning on building my first SLA/DLP printer for home usage. I see some interesting builds around here on the forums and on the internet. Preferably I would like to print from a bottom-up position as it will eliminate surf...