WHQ Magic Circle LED

Made for 3mm LED lights, but there should be enough space for 5mm LED lights.
A 9v Battery should be enough. Maybe a switch and baybe one like these: https://www.thingiverse.com/thing:2934360 - the simple one.

The 2mm version has an expanded the outer circle from 0.6mm to 2mm. The two inner sircles is widen- about 1mm