I'm a long way from ever wanting or needing a radio in my Volkswagen Vanagon (T2.5/T3). However, I do have a couple of switches for various accessories that have just been flapping around in my dash.
I had found other designs for DIN covers, but a lot of them were missing tabs to lock them in place or I couldn't verify the dimensions.
This model is built specifically to the parameters necessary for the Volkswagen Vanagon, but I reckon it will work with other single DIN applications.
There are currently three variations. The holes are 13mm and should accommodate standard SPST switches from Radio Shack or similar.
The author marked this model as their own original creation.