Swappable Phone Mount

I made a couple of bases to mount my phone to my treadmill. I printed two of the legs and bolted them to the treadmill, then I just slip whichever base I need onto the legs. My phone is a Samsung Galaxy S4 (yes, I need to update) and my son's phone is an LG G4. You could screw the legs to just about anything you wanted and have a great phone mount.

If you say to yourself "Wow, I wish I had one of those but that won't fit my phone" then let me know what model you have and if I get a minut