Rigid 12V Battery Holder

After I printed the wall mount version of the MT-SYSTEM Holder: BOSCH Battery Holder 12V by MAKERTEAM, I designed one for all the Rigid 12V Batteries that I also have.  It was designed from scratch in FreeCAD and I have included the FreeCAD file.  It works well and does not require supports.  I printed it on my MK3S with a 0.4 nozzle, and 0.3 mm layers using black VoxelPla Pro.