Laser Mount Bracket slim remix

I thinned down the arms a little and used 12 gauge steel (.105"). After some testing with electrical tape, I powder-coated mine black and used heat shrink tubing.

I ultimately used the same lasers linked in the original design. I tried smaller-diameter lasers but some lenses were unfocusable, (and unreturnable), and gave up. These were brighter anyway https://www.amazon.com/gp/product/B083SJD418/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

battery pack

https://www.amazon.com/gp/product/B07M7WYZ32/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

(4) M3 -0.5 x 6mm screws

https://www.homedepot.com/p/Everbilt-M3-0-5-x-8-mm-Zinc-Plated-Plain-Metric-Socket-Cap-Screw-3-Piece-per-Bag-803178/204808022