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# Squares on Point

08-21-2010, 10:46 AM
#1
Senior Member

Join Date: Jun 2008
Location: Johns Creek, GA
Posts: 321

I have a six inch block that I want to set on point and can't remember the measurement you add to make the half-square triangle. Do you add 1 7/8"???? So to make hst block would need to be cut 7 7/8'? I know I have this in a quilting book somewhere but it's easier to ask my friends.
08-21-2010, 10:48 AM
#2
Power Poster

Join Date: Oct 2009
Location: Idaho
Posts: 11,375

For a 6 inch block: 6 x 1.414 = 8.484 or 8 1/2 inches. Add the 1 1/4 for seam allowances = 9 3/4 inches.
08-21-2010, 05:04 PM
#3
Senior Member

Join Date: Jun 2008
Location: Johns Creek, GA
Posts: 321

Thanks a million. I had it all wrong. Knew some smart person would know this. I'll print and save in a safer place.
08-21-2010, 05:06 PM
#4
Senior Member

Join Date: Jun 2008
Location: Johns Creek, GA
Posts: 321

PS. Why 1 1/4" for seam allowances instead of 1/2"?
08-21-2010, 05:09 PM
#5
Power Poster

Join Date: Oct 2009
Location: Idaho
Posts: 11,375

I don't know. I just googled it and this is the formula.
08-21-2010, 07:27 PM
#6
Power Poster

Join Date: Nov 2007
Location: SW Iowa
Posts: 32,856

Thanks for the info.
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