Phone Tripod Adapter just need a rubber band and 1/4-20 tap

thingiverse

This is a simple print, all you have to do is tap the hole to a 1/4-20 thread (if that's what your tripod is). You may want to clean the hole with a #7 drill (.201"). Slap a rubber band on the back as tight as you want and it's done. I printed this in COEX Cobalt Blue PLA and it's plenty strong as long as you don't go all Arnold on the tripod screw. The camera in the photo is an iphone11 with a slim case, but I was able to put my old galaxy S5 in it without the case. The S5 I'd say is about the smallest it will handle. A Galaxy S8 is too small, you'll want to download the small one for that. .2 layer thickness 2 wall layers 6 top and bottom layers 20% infill