Designer website : http://robots-everywhere.com/re_site_static/purchase/l-cheapo/

Wiki : http://www.robots-everywhere.com/re_wiki/pub/web/Main.LCheapo.html

Lcheapo 2.7 pcb : https://oshpark.com/shared_projects/AkxhsRJH

inkscape plugin https://jtechphotonics.com/?page_id=2012

shield https://jtechphotonics.com/?product=445nm-laser-shielding or https://robosavvy.com/store/laser-shielding.html