It takes time to make something new. For the next step, I purchased some exotic veneers (hard to find in Australia), and proceeded to make many pickguard-shaped frisbees.
Yep - the first year's products all went in the bin, as I tried many variations of plastic and veneer, all to no avail.
Finally changing to a substrate of Australian hardwood veneers, topped with US Maples - here's a few early ones from around 2010
A degree of trial and error... a friend in Ireland recently asked for a P-Bass pickguard...
"something like the Ocean" was her only request
Here's the result