Generic (blank) insert for Zenni Optical glasses case

thingiverse

This is a generic, featureless insert that fits in the bottom of a Zenni Optical glasses case. It's of no use at all in its current form, but people might find it a useful starting point for remixing their own custom inserts. Inexpensive Zenni Optical glasses (especially [Round Glasses 550021](https://www.zennioptical.com/p/metal-alloy-full-rim-frame-with-spring-hinges/5500?skuId=550021) are often used a source for prescription lenses for DIY projects. A selection of models on Thingiverse that use these Zenni 550021 glasses: * [HP Reverb G2 Zenni #550021 adapter](https://www.thingiverse.com/thing:4690554) * [Oculus prescription lens adaptor (Quest 2, Quest and Rift S)](https://www.thingiverse.com/thing:3642004) * [Rift S Prescription Lens Adapter](https://www.thingiverse.com/thing:3698803) * [Vive Pro 2 Zenni #550021 Lens Adapter](https://www.thingiverse.com/thing:4878815) * and many more I used it in my own [Case for Quest/Quest 2 prescription lens adapter](https://www.thingiverse.com/thing:5652835), which I designed to store my [Quest / Quest 2 magnetic prescription lens adapter](https://www.thingiverse.com/thing:5319065) designed by [Robin Engström](https://www.thingiverse.com/mammastuffing/designs).