Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:4677992.

print lamp at 46.47% x/y scale (100mm tall/2.2in/56mm base, then scale height as desired) then base will fit the lamp bottom

mount for usb boost board similar to these https://www.ebay.com/itm/5pcs-DC-DC-Micro-USB-Step-Up-Boost-Module-2-24V-IN-5-28V-Output-Power-Converter/143836596345 can adjust brightness/voltage using side hole power boost board from micro usb hole on end

and holds 12-15v cob .9x1.6in (48x15mm) what i had from leftover from other led lamps