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"ON POINT"

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Marsha Posted: Tue, Aug 3 2010 8:36 PM

I like the looks of quilts that are on point. Sometimes, I would like to make blocks on point and have done so when using a pattern. No big deal, just cut the size it tells me!

Does anyone know of a formula or method to calculate the sizes? The square that is cut into the triangles to set the blocks?

Marsha

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Kris replied on Tue, Aug 3 2010 10:26 PM

Corner Triangles
Take the finished block size and divide by 1.414
Note: Round up to the nearest dimension on the ruler.
Add 7/8" to that number

Cut two squares the size determined above.
 Cut each square in half diagonally for the four corner triangles. 

Side Triangles
Take the finished block size and multiply by 1.414
Note: Round up to the nearest dimension on the ruler.
Add 1-1/4" to that number for the correct size to cut squares for side triangles.

 Cut this square in half diagonally twice with an X to produce four Side Triangles.
Cut one square for every four side trinagles needed for the quilt setting.

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Marsha replied on Sat, Aug 7 2010 6:35 AM

Kris,

Thanks for the info. I shared this with some folks who are avid, longtime quilters and they hadn't heard of it. Will keep this info.

Marsha

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Wow Kris - you are just a wealth of information!  This is really handy to know. 

Marge (AKA Dimples)

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Thea replied on Sat, Aug 7 2010 2:13 PM

fons and porter came up with a large triangle ruler that has all this information on it for those who lose this information or can't remember where they wrote it down at...teehee

 

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I resemble that remark  :o) 

Marge (AKA Dimples)

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Nifty Notions Rulers by Kay England also makes what they call a Side Set Ruler.  I took a class and made a table runner with 10" squares on point.  So easy to do...No Math....No cutting squares in half..  Just cut a strip the size recommended on the ruler and then cut the angle flip the ruler and cut again.

As my granddaughter would say "easy peasy"

Cheryl in Eastern IA

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