Snap-fit T8 tombstone holder, with screw holes

Need to install some T8-sized fluorescent or LED bulbs in your home or shop, but don't want to shell out $20+ for a commercial fixture? Pick up some dirt-cheap T8 replacement 'tombstones' and some wood, then 3D print some of these adapters and assemble your own!

The tombstones that I sourced seem to be intended for mounting on sheets, with very little space for the built-in 'clips' to engage. Wood that is thin enough to properly engage these clips would also not have been strong enough for my