assemble by placing center disc in side the main larger disc (this should be a tight fit). Then place the caliper* over the main part of the break anywhere on the disc. This should be a very tight fit and you should place it where you think you should.
I will be making loads of improvements over time.
If you would like me to place your name or any text on the caliper* please do comment below or email me Ryan King on email@example.com. Thanks
*I do believe that is what it is called