Here's a blank that you can print to fill the hall sensors connectors if you are using cable glands instead of the Molex connector. Or to plug the footpad connector hole if you're relocating that Switchcraft connector to the side if you're using my 16-pin Molex > Cable Glands adapter.

I downloaded the Switchcraft EN3P6MX STEP file from Digikey and chopped the top and bottom off, also added a slightly larger rim around the base for a better seal. Same thread pitch as the actual connector, so the original lock nut can be reused if you have extras laying around.