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Enlarging blocks

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Melissa Halpain posted on Sun, Dec 30 2012 6:49 PM

OK, I must admit to everyone that, even though I've been sewing for 40 years, I am mathematically and geometrically challenged. Does anyone know of any simple method (that I can understand) to enlarge quilt blocks. I'm a dork and still trying to teach myself simple equations, even though I've had a home sewing business for several years. I'm OK with doing calculations but I'm not sure what calculations to do to enlarge a block. Thanks in advance for any and all help anyone can give me.

Georgetown CA I'd Rather Be Quilting

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Spudgrandma:

Kris:

If you have a 6 inch block and want a 9 inch block you would divide 9 by 6

9/6 = 1.5

you multiply 1.5 by 100 you would enlarge by 150%

if rotary cutting multiply you measurements by 1.5 to get the new cutting measurements.

So you would multiply each piece of the block by 1.5 (in your example) to get the new cutting size??? See I told you I was confused. :(

Thank you so much Kris and Spudgrandma. I was beginning to think I was exceptionally slow. Well, I am anyway. These are the kinds of problems I always get stumped on. Thank you, thank you.

 

Georgetown CA I'd Rather Be Quilting

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Marie replied on Sun, Dec 30 2012 11:41 PM

I'm with you Erin.

Millbury, MA

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Kris replied on Mon, Dec 31 2012 12:48 AM

You're welcome Melissa.

It's easy for me to remember by just saying "take what you want and divide by what you have." I should have explained it better from the start.

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Thanks Kris! BTW, you know you just like toying with the BSC :)

Life is like a quilt...bits & pieces, joy & sorrow, stitched with love

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Kris replied on Mon, Dec 31 2012 2:34 PM

LOL Spud. 

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Angele replied on Mon, Dec 31 2012 6:31 PM

Thanks for the info Kris. I needed that and I think this will help me lots.

Angèle  from NWO

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Michelle replied on Mon, Dec 31 2012 10:17 PM

That chart sounds wonderful. Where did you find it? I would love a copy. I do alot of trial and error. 

Michelle B
Enjoy family, friends and hobbies

 

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Michelle:

That chart sounds wonderful. Where did you find it? I would love a copy. I do alot of trial and error. 

Ah Michelle, I wish I could remember where I found it.  It was free and I have it in a pdf file so am happy to share it.  friend me and send me your email and I will send it t you

 Elizabeth

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OMG Nana,

I thought I was with it until you tossed in the 2/3 equals a 2 in. square.  I'm with Bev, can I get the nifty chart in PDF too?  My degree in Chemistry is formulas given to you and you plug in the appropriate numbers. My DH has always said he can't believe I have a degree in Chemistry but can't do math. Hahaha!!!!

 

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Nana replied on Tue, Jan 1 2013 9:57 AM

Go to www.thequiltedsnail.com/scale   and you should find the chart for enlarging/reducing patterns.

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What a great chart!  Thanks Nana!

aka Grandma Sunshine

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Anyone who want the nifty chart just pm me with you email and I will shoot it right off to you.  It has all kinds of good stuff in it.  Sorry I can not tell you where I got it as I can not remember, but it was free so I am not breaking any rules by sharing it.

 Elizabeth

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Carey replied on Tue, Jan 1 2013 11:01 AM

Too much math lol. Thank god for quilting software hehe.

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I can do math EXCEPT for fractions.  My poor DH had my sister and I in stitches because we went to him for help with 7/8nadding and subtraction problems.  HIS SOLUTION WAS TO ROUND UP OR DOWN!  I now have a calculator that sits next to my sewing machine. That and the chart solves everything

 Elizabeth

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Kris has it right, BUT deduct seam allowances since they are always 1/4", then add them back on after you get your new measurements.  If you just divide (or multiply) and don't take the seam allowances into consideration, you will be off.  Ask me how I know!  It won't matter too much if there aren't very many pieces in the block (such as a nine patch) but will be obvious with a larger number. 

 

Brigit-Carol

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