I'm about ready to mold some ABS for proto-type holsters and sheaths. I had lined my rollaway box with .060" black virgin ABS while at GM Truck & Bus Mockup.
After I get my designs down, I'll use the kydex.
Once I got used to the kydex IWB it is better just for the fact the sweat doesn't penetrate through the holster onto the pistol.
I have way to many store bought holsters to even thinking about buying any more. Since I'm never satisfied, I bought a bunch of plastic, rivets, sex screws and leather