So, i slapped it all together and glued/electrical taped everything to the heatsink i was using, and now i can burn my roomates arm hairs all the way across a room! thanks for the help guys :)
i was joking, i soldered and heat-shrink-wrapped everything i could.
so, current cart is this:
1-1.5 watt 445nm blue laser diode and lens (seller says will fit in a 5.6mm t0-18 aixiz housing)
aixiz housing
12 v momentary push button switch
this driver: 2 Pieces 445nm 450nm 1W 2W Blue Laser Diode Driver Constant Current Protection | eBay
and a 18650 battery from...