Thanks for the suggestions, folks. Yes, EVB, supporting it in a groove as it's bent so it doesn't distort is the key. I'll look into the Winton Machine tool, which looks like a baby version of the Swagelok ones I have at home for tubing and is doubtless as frightfully expensive as they are. I suppose if all else fails there's a simple one piece one made by Tyco that DK and Mouser both stock. That RFShop one looks like it would be perfect - perhaps I'll try to cobble something like that up.
Appreciate the input.
-Pat