[walterbell]

The unconditional return warranty exists because fit & style are difficult online. Returns are included in the price you paid, it’s like insurance, not everyone needs it, but sometimes you do.

3D scan & custom frame: https://www.3dna-eyewear.org

Warby Parker is using the iPhone X camera for facial scan & frame recommendations.

[3DNA]

how good a recommendation can be is based on resolution http://eyednamarket.com/multivendor/images/5.jpg

[walterbell]

Thanks. What’s the best USB-connected camera that can be purchased today for high resolution facial 3D scanning on a PC?

[3DNA]

Artec Eva but is very expensive.