Quanum DIY Goggle Lens Holder

This is a perfect fitting lens holder. Has a 1mm lip inside to seat the lens on. Fresnel lens needs to be cut at exactly 67mm x 107mm.
Now that it occurs to me, I'm going to make an insert, stay tuned...

Added insert file...

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/bHbb5TMHN0U