I saw an article on sharpening carbide tipped lathe tools on the net somewhere. I mentioned to a good friend and fellow metal worker in Calgary that it looked like a good idea but I couldn't find the diamond disc referred to. He kindly sent me one. Here's a mount for my Taig lathe:

Before making an aluminum fixture to hold the lathe bits, I fashioned a wooden one:

Works great and I'm going to make an aluminum fixture and a small drill fixture as well.

Nice to have good friends.