A quick lasercut case for a Jaycar (QM-1591) sound level meter. I didn’t want to carry it around in the plastic blister pack, and it’d get damaged without a hard case. 5 minutes in Inkscape, and a few more lasercutting and gluing, and I’ve got a robust and stackable solution.

Files here:

http://www.thingiverse.com/thing:1239374