drawing board in a sentence

Examples

1. Plans have already been on the drawing board for six years.
2. Neither the C10 nor the C15 ever left the drawing board.
3. The plan had been on the drawing board since the 1980s.
4. If that fails we may be back to the drawing board.
5. Cromer says it is " still on the drawing board ".
6. A : It certainly sent us back to the drawing board.
7. Plans for another five hydro stations are on the drawing board.
8. EPIC went from the drawing board to fruition in three years.
9. The rest of the campus is still on the drawing board.
10. I would suggest that they go back to the drawing board.