tritium glow stick printable Parabollic enclosure

This is parabollic enclosure for tritium glowstick to make the light more directed and intense.
You will get more light than with simple glowstick enclosure.

Pause it on top of internal cavity, insert glowstick, fill it with rubbery transparent glue, unpause to print it over. cover the curved side with aluminium foil.

i used "Betalight Tritium Self Illumination Grow Marker Isotope 3.5mm 25mm Green 1pc" from Ebay - US $15.50