Don, thank you for your compliment! ))
You are right - Moi 3D in some cases, very close to the high-precision CAD-systems.

PS. A steam locomotive is the memory of my grandfather, who worked on such a machine.


Steam locomotive Em (0-5-0) - the most mass model in the USSR, one of the most reliable locomotives in the world.
From 1912 to 1957 was built about 11 000 of these machines.