The Particle Internet Button is a fun little device on a horizontal, flat surface. However, I wanted to mount mine to a wall. The "bubble" is loose, so it wouldn't stay on in a vertical situation. This aims to resolve that issue. It also allows the use of velcro picture hangers or poster tape.
3D model available at [ thingiverse.com ].
Also available for purchase from my Tindie store at [ tindie.com ].