Thanks Jim!
Here's the panel with all the edges tipped forward, clamped in place..
Some poster board templates were traced from the steel part, then trimmed out and transferred to the foam.
Used the electric bread knife from the kitchen (if anyone asks you haven't seen it...) to trim out the foam, makes short work of it...
roughed out...
Test fit for marking the profile...
trimmed /sculpted to size with the bread knife and 3" roloc. Use a worn disc on the sander, the fresh ones tend to grab..
This fills out the seat pretty nicely and hides that wheel tub that protrudes into the back side of the seat.
