hi people,
richkat, a card ring the internal size the same as the rim of wheel then make rim and install in ring, then thread the cotton under the rim and out the spoke position and glue the end to the outside of ring, then out the spoke position opposite and out under the rim glue end to card ring.
then put on the 'tyre' and install the hub tightens the 'spokes' , does not look so good as the recommended way with 3 or 4 spoke weave but does the job.
regards
don