![[Laser cut and engrave] Custom Wooden Phone / Slate stand with initials](https://storage-us.atomm.com/resource/xart/result/23031/5e04ee22-4704-4a31-8c4b-a81fbf6dfbf6.png?x-oss-process=image/resize,w_1200,h_900,limit_0/interlace,1/format,webp/auto-orient,1)

This is a midnight-dream I had recently. Changing thickness of the wood, or space-gap, can easily hold a your smartphone.
This single layer version is thought as smart add-on to exhibit slates (coasters perhaps) or small pictures without stealing the scene.