Some of you may remember my mini angle grinder chop saw, it has been used loads of times, I liked it so much I made another but with a full sized angle grinder
Here are two youtube videos of the saw, the first is a demo and the second is the build
Don't grind on the side of cutting discs, there is a warning on my discs for the chop saw and it does expose the reinforcing and chunks fly off sometimes ( I do forget occasionally ) Neat build could do with an adjustable clamp for angle cuts.