This is a replica anti-tamper glass enclosure like the ones used on old call boxes and telegraphs. The glass boxes you would have to break to sound an alarm or open a box. Materials used were HD 2.5mm acrylic, clear epoxy, neodymium barrel magnets, and 3D printed PLA
Click the link below for full restoration project
https://plus.google.com/u/0/collection/UBkRDE
Box design produced with http://www.makercase.com/
3D Printed corner brackets w/ magnets
Originally shared by Madyn3D CNC, LLC
Created a custom CAD design for replica of glass box. Laser cut the acrylic box and 3D printed the corner brackets. Magnets hold the box in place on the cast iron.