The file 'Egg Candler Attachment For Flashlight 3D Printer Model' is (stl) file type, size is 78.5KB.
This is a little cup attachment for the cheap flashlights you find at Harbor Freight and Tractor Supply (http://amzn.to/2EB9rjh) to make it easier to candle eggs. We have only candled quail eggs with it, and as printed it works fairly well. Future mod would be to apply a little sugru around the top as well. (The skin friendly one: http://amzn.to/2GF2oa5.)
I printed it with supports, but I think it would do fine without. I had to run a knife around the inside to remove the little lip of molten plastic from the bottom. Otherwise, it fit perfectly. (Inner diameter is 26mm.)
eggcandler.stl | 264.5KB |