Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:3482579.

While drinking a couple adult beverages with an old friend he mentioned he needed something to hold a 9v battery for electronics in the guitar he's building. After a quick search finding nothing like he needed I decided to whip up the design myself real quick.

This allows you to use the existing battery terminal clip and lets you easily slide the battery out for replacement, inset mounting square for foam mounting tape.

Originally printed in PETG and it's snug enough, you may need to adjust the scale by a few percent for other filaments or better fitment for your situation.