this pic is inserted here to suggest to people making their own cameras that they make the front standard the same size as a Sinar, so that should a Sinar shutter comes along at a reasonable price it can be mounted
My new build will have a front the same size as a Sinar. But for a different reason. It's because I bought a Sinar bellows cheap and then decided to build something around it.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.