Coin cell battery holder that can be used in wearable electronics

thingiverse

I needed a cheap way to use coin batteries in a wearables workshop with kids. After downloading several designs, I decided to go KISS (Keep It Stupidly Simple). So I designed a new one in Tinkercad, being the basic idea is to make something like a button! The first design was an easy holder that had holes to just sew some conductive thread and make the connections. After the workshops we redesigned it to add a few improvements like: bigger holes for the needle (from 2mm to 3mm) include a notch so the battery can be easily extracted with any pointy object duplicate the + hole so the orientation of the button when sewing doesn't matter Print Settings Printer: BQ Witbox Rafts: No Supports: No Resolution: 0,2 mm (first layer) / 0,3 mm Infill: 15% linear Notes: Only using 1 perimeter so there is infill pattern inside and it is faster to print. I use Slic3r as the post processor software