Free
It's free to download
Technical
- One 5mm diameter LED light (25mA 3.3V 7000mcd High intensity recommended).
- One 1cm long small plastic tube (you can strip a 20-22 gauge wire for this).
- One CR2032 or two CR2016 3V batteries.
- Print one Shell.stl.
- Print one Battery Cover.stl.
Free