I spent all my free time yesterday and a good part today trying to get the 3D weapons to work with Brutal Doom but without success.
I tried with Doom Launcher, I tried to drag the files directly on gzdoomvr.exe, I tried to create a shortcut and add the line D:\VR\GZDoom\gzdoomvr.exe -file brutalv21.pk3 -file BR_VR_pbr_B40.zip -iwad doom.wad but each time the Doom will start with the other mods as well as Brutal Doom, but no 3D weapons, just 2D sprites.
I also tried different combinations, but with no results.
I managed to get some 3D weapons packs working (like the voxel one), but as soon as I add Brutal Doom they don't work anymore.
I also tried to run ajantaju's VR Brutal Doom weapons pack alone (without Brutal Doom), but it doesn't work.
Here is the list of softwares and mods I use:
I also tried with Meatgrinder and the problem is the same, the mod will work but not the 3D meatgrinder weapons pack.
So if you have any ideas on how to make it work, I would be really happy to hear it