On a mount, there are spacings for felt stickers (chair floor protection stickers), so the mount fits softly and nicely. See pictures for details.
I've tested the mounts with the 80mm light bar, so it should be ok for a shorter one.
To mount you will need two mounts, original and mirrored.
The author remixed this model.
I've used a mount as a baseline, adapted for my specific use case.