Great base model that fits regular lego blocks.
Modified in Elegoo (Orca) slicer for my needs.
As mentioned by @Nati2024_2750016, the 3D file looks strange, but when opened in Elegoo or Orca slicer, its fine.
Hope someone finds it usefull
Please don't hesitate to upload and give feedback
The author remixed this model.
Modified to use the internals of a small USB shard with metal shrouding