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I need help from a MATH WIZ

I need help from a MATH WIZ

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Old 09-14-2010, 09:33 AM
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I really hate to admit that I'm so awful with math that I have to ask for help for measurements....BUT I NEED HELP!

My pattern will be the disappearing nine patch... and I need my blocks to be unfinished 12 1/2.

What size would I need to cut my patches?
Should I cut them 5', and then square up/cut my block to size?

Thanks for your help!
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Old 09-14-2010, 09:34 AM
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Each block in the 9 patch is cut 4 1/2" :D:D:D
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Old 09-14-2010, 09:36 AM
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The problem is to get a D9P to come out exactly 12 1/2 you have to start with a really odd measurement that's nearly impossible to cut. Unless it's for a swap of some kind just let the blocks be the size they want to be.
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Old 09-14-2010, 09:36 AM
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Yip!
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Old 09-14-2010, 09:41 AM
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Originally Posted by amma
Each block in the 9 patch is cut 4 1/2" :D:D:D
Which makes a 12 1/2 inch 9 patch. You reduce it by another half an inch when you make it a disappearing 9 patch. So that makes it a 12 inch unfinshed block and only and 11 1/2 inch finished block. A half an inch does not divide well by 3.
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Old 09-14-2010, 09:55 AM
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Yep, sorry, forgot to mention the blocks were for a swap..

I guess I should go large and cut down.

Thanks everyone!
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Old 09-14-2010, 10:06 AM
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Working on one right now. Each square is 4 1/2 inches
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Old 09-14-2010, 10:06 AM
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If you go large and cut down, be careful that you cut the same amounts from each side of your blocks or it will look like it is a little "off". Good luck with it!
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Old 09-14-2010, 11:25 AM
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If you wanted it to end up "unfinished" at approximately 12.5 inches, you might try cutting the pieces like in the attached drawing.

Cut four 4.5 inch squares
Cut four 4.5 x 6 inch rectangles
Cut one 5 inch square

A bit of an adaptation, but I think it would work.
Attached Thumbnails attachment-103583.jpe  
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Old 09-14-2010, 11:37 AM
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I'm with Scissor Queen. Sometimes things want to be what they want to be. I won't stand in the way. LOL
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