Nick - the bracket does not have to look that fancy to work. All you need is a piece of flat plate the correct thickness and the correct spacing of the holes. Use a piece of cardboard to see what shape you can use. The fact is an ugly but perfectly useful bracket can be made with an angle-grinder in about half an hour. You do not need any of those fancy curves. You cannot see the bracket once it is on the car. Use flat washers to get the correct spacing of the disk rotor in the caliper center..After you have a working bracket you can grind some curves if you like!

jim..