I holds a single 26650 battery.
It has cutouts for rubber bands to hold the battery firmly in place but they are not needed.
It snaps to its self so it doesnt need glue.
to make the contacts you can tape a little piece of alu-tape on the ends.
The one in the picture is lasercutted in 3mm MDF.
26650_battery_holder_final.dxf | 218.2KB |