Where i can find the Physics gun? I will mod it and upload it on the SteamWorkshop, like this: http://steamcommunity.com/sharedfiles/filedetails/?id=942988201 . Where is the Physgun folder?
Things like the physgun and gravity gun aren’t made in Lua so you won’t find a folder for them.
If you want to “mod” the physgun as that gravity gun is (which basically the only thing you can do is replace the model), you’ve got to replace the Gravity gun’s model with the model you’d like to change it by, which is what that mod you’ve linked does.
It doesn’t modify it nor it can modify it in any other way.