After years of experimenting, the project took final shape two years ago and is now up and running and can deliver up to 8,000 lbs of shrimp per week. (fb101.com)
I tried it with and without and did find a better dome and final shape with the 15 minutes after. (smittenkitchen.com)
You can cut it with scissors, form it, glue it, let it cure, then do final shaping on it. (mechanics.stackexchange.com)