firstdesign
nounUK /ˌfɜːst.dɪˈzaɪn/
US /ˌfɝːst.dɪˈzaɪn/
The very first plan or drawing you make for something.
My firstdesign for the treehouse was just a quick sketch on a napkin.
OTHER MEANINGS
2. The earliest version of a product before any changes are made.
The engineers kept the firstdesign in a glass case to show how far the car had come.
3. A person's very first attempt at creating something.
Her firstdesign as a young artist was a crayon drawing of her dog.
4. The starting layout used as a base for later improvements.
We used the firstdesign as a guide and added new rooms to the plan.