Filling down same formulas for 11 rows and filling down another formula same for 11 rows

For each table I want to fix the same length and width for 11 rows.
For next table it will be another length and width but is again same for another 11 row
I need to come out with about 1000 table is there a way to speed up the process instead of changing it manually.

HTML Code: 

I also want the to make the main sheet reference to only the first 2 table (green colour)

instead of 'Length and Width'!O15 it will became 'Length and Width'!O2 when dragging down

is my idea possible?

Change the formula in C3 to:

=INDEX(TOOLS!$A:$A, ROUNDUP(ROW()/13,0)+3)*'Length and Width'!B2+INDEX(TOOLS!$B:$B, ROUNDUP(ROW()/13,0)+3)*'Length and Width'!O2

....then copy that across the first table.

Now you can copy the entire table and paste below the first, repeat. Each new table will increment to the next set of numbers on the TOOLS page.