Update, 2017-12-03: So of course, as soon as I show this to someone, they ask: “Can it stand up like a display case?†It can now!
STL file and OpenSCAD source for rev 2: VCF-6502-badge.zip
(licence: CC BY-NC-SA 2.5 CA)
Thingiverse: https://www.thingiverse.com/thing:2687960
Rev 1: This worked better than I could have hoped, and so the 6502 40th Anniversary Computer Badge now has a snug-fitting case to prevent shorting, and to keep the batteries in place.
