The tailwheel sets the spacing for the rear forks and I went from there.
The parts are made from 2-sided copper clad pc board:
I used almost two complete sheets. I cut it using my dremel cut-off wheel then sanded to shape with my belt/disk sander and the dremel sanding drum.
Here's some more pics. The forks were covered with 5-min epoxy and a healthy mix of micro balloons. Later in the process I sanded this down for a more appealing shape.