D9P math ?
#1
Senior Member
Thread Starter
Join Date: May 2008
Location: Washington
Posts: 322
I would like to do a lap size D9P quilt with 5" charm squares, and I was wondering how many squares I would need. I did a search on the board and there was a question a while back about the finished size of a block with this size square. It was 131/2". I did some figuring and would appreciate it being checked. If I do a 4x5 layout, it will be 54" (13.5x4) by 67.5(13.5x5). 4x5=20x5=180 squares. If I did a 3x4 layout, it would be 40.5x54. 3x4=12x9=108 squares. These sizes are without borders. Sometimes I think I have some things all figured out and realize later on I made a goof and don't have it right! So did I fiqure this correctly?
Thanks
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#2
Power Poster
Join Date: May 2008
Location: MN
Posts: 24,659
I'm thinking that the finished block (using 9 five-inch squares to begin with) would end up being only 13 inches.
With the first sewing - the original 9-patch - the block will measure 14 inches (unfinished)
With the second sewing - reassembling the cut up pieces - the block will measure 13.5 inches (unfinished)
There will be 1/4 inch "lost" on each side when the blocks are assembled - so the blocks will finish to 13 inches
If my math is right.
With the first sewing - the original 9-patch - the block will measure 14 inches (unfinished)
With the second sewing - reassembling the cut up pieces - the block will measure 13.5 inches (unfinished)
There will be 1/4 inch "lost" on each side when the blocks are assembled - so the blocks will finish to 13 inches
If my math is right.
#6
Joan, when I did my d9p I had the same question and Tippy said she used 20 4 1/2 inch squares for a nice size lap quilt. I wanted mine larger so I used 30 and placed them 6 across and 5 down. It is a nice size for I wanted you might think 20 squares.
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AngieS
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06-14-2011 08:31 PM