Gary, thanks for the photos.
This is the side view I'm thinking of making from some plywood I have.
View attachment 1205293
JT
Your welcome JT
Another thought, the astro turf that is dense, not plasticky stuff would work better if you can find it. Also at the big box stores the commercial indoor outdoor stuff off the rolls, if you went to a carpet store you may find scraps cheep cheep
Gary