home built screen printing exposure unit build overview Published 11 years ago • 330K plays • Length 9:15 Download video MP4 Download video MP3 Similar videos 9:15 home built screen printing exposure unit build overview 10:51 building a new diy exposure unit /// screen printing halftones 0:55 build an exposure unit for screen printing with less than $40 9:12 building led uv exposure unit for under $60 | alternative photography, screen printing, pcb...