D9P block size question
08-18-2011, 06:04 AM
#13
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Originally Posted by katier825
The easiest way to calculate the D9P is to add up the 3 unfinished size blocks and subtract 2" to get the finished size. I've got a couple right here that I'm working on and measured them.
4.5" unfinished x 3 = 13.5" (finishes to 11.5" )
5" unfinished x 3 = 15" (finishes to 13" )
The only ways to get 12.5" are to cut odd sizes, or use larger squares and cut down the whole block when you are done. If what you are making doesn't HAVE to be 12.5", why create a huge headache out of it, go a little smaller or larger! :)
4.5" unfinished x 3 = 13.5" (finishes to 11.5" )
5" unfinished x 3 = 15" (finishes to 13" )
The only ways to get 12.5" are to cut odd sizes, or use larger squares and cut down the whole block when you are done. If what you are making doesn't HAVE to be 12.5", why create a huge headache out of it, go a little smaller or larger! :)
Thank you all for helping figure this out!
08-18-2011, 06:19 AM
#14
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Join Date: Mar 2011
Location: Spring Green,WI
Posts: 14,637
If you sew a nine patch using 5" squares your nine patch will measure 14" unfinished. So if you measure in 6 1/2 inches and cut from all edges you will have a little excess in the center to throw away. But you will have a block of 12 1/2 inches unfinished when you sew four of them together.
(Actually I would put my ruler to cut on the seam line of the nine patch so I would be putting my ruler so I cut 2" past the seam line (that would be the seam along the center block). That way all those small blocks are exactly the same size.) To make sure you are in the same area or understand what I am saying. Turn the block upside down and measure in 6 1/2 inches in and mark it with a pencil. Now measure from the seam 2" and you will see they are the same thing. Only if there are irregularities when you sew your nine patch, lining up your ruler on the seam is more accurate.
I saw a question on the board why the little blocks didn't line up in someone's patchwork, the above suggestion will illiminate that.
The fiinished size (after the block is sewn in quilt top) of the big patch will be 4 1/2" and the small strip and small block will be 1 1/2. That totals to a finished 6" block or a finished 12" block of four put together or a 12 1/2 unfinished block of the four put together.
Certainly you can cut down the blocks before, but why
(Actually I would put my ruler to cut on the seam line of the nine patch so I would be putting my ruler so I cut 2" past the seam line (that would be the seam along the center block). That way all those small blocks are exactly the same size.) To make sure you are in the same area or understand what I am saying. Turn the block upside down and measure in 6 1/2 inches in and mark it with a pencil. Now measure from the seam 2" and you will see they are the same thing. Only if there are irregularities when you sew your nine patch, lining up your ruler on the seam is more accurate.
I saw a question on the board why the little blocks didn't line up in someone's patchwork, the above suggestion will illiminate that.
The fiinished size (after the block is sewn in quilt top) of the big patch will be 4 1/2" and the small strip and small block will be 1 1/2. That totals to a finished 6" block or a finished 12" block of four put together or a 12 1/2 unfinished block of the four put together.
Certainly you can cut down the blocks before, but why
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