AliExpress Heatsink Led Bracket DIY 20 Watt LED Modules
thingiverse
These are roughly the cheapest way you can piece together reliable led modules for grow lights, UV cure lights, etc. Using aliexpress heat sinks that cost 3.00 + 1.00 in leds + 3.50 led driver .50 wire/filament/screws.. per 20 watt(actual) led module https://www.aliexpress.us/item/3256801585195735.html?spm=a2g0o.order_list.order_list_main.52.21ef1802PURDle&gatewayAdapt=glo2usa&_randl_shipto=US https://www.aliexpress.us/item/3256801255238036.html?spm=a2g0o.order_list.order_list_main.88.21ef1802PURDle&gatewayAdapt=glo2usa&_randl_shipto=US https://www.aliexpress.us/item/3256804605931775.html?spm=a2g0o.order_list.order_list_main.87.21ef1802PURDle&gatewayAdapt=glo2usa&_randl_shipto=US I added an stl with a solid rib for printing on a resin printer. Im not sure how resins will hold u to heat so you will need to test and mirror for the other side.
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