# What size do I make my squares and how do I figure it out?

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**1**Super Member

Thread Starter

Join Date: Jan 2011

Location: Small town in Northeast Oregon close to Washington and Idaho

Posts: 2,794

**What size do I make my squares and how do I figure it out?**

I want to try the HST by cutting squares and sewing 1/4" around the whole outside and then cutting it into 4 pieces. But I don't know how big to make my squares. If they are 2 1/2" trianges I'm making, how big are the squares suppose to be? And how much do you add to the 2 1/2" to get the right size? I hope someone can help me figure this out. I really want to try it.

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**2**Power Poster

Join Date: Jun 2010

Location: VIRGINIA

Posts: 22,671

well do a pratcice piece start with a 6.5 inch square then you can always make the square smaller and do another til you get what you want

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**3**Junior Member

Join Date: Mar 2012

Location: Houston, TX

Posts: 145

This tutorial has a chart with different sizes http://whipup.net/2011/03/17/guest-b...are-triangles/

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**4**Super Member

Join Date: Aug 2011

Location: San Antonio, TX

Posts: 1,481

I want to try the HST by cutting squares and sewing 1/4" around the whole outside and then cutting it into 4 pieces. But I don't know how big to make my squares. If they are 2 1/2" trianges I'm making, how big are the squares suppose to be? And how much do you add to the 2 1/2" to get the right size? I hope someone can help me figure this out. I really want to try it.

****
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**5**Power Poster

Join Date: Feb 2009

Location: Northern Michigan

Posts: 12,382

cutting into 4 makes 1/4 square triangles- not half square triangles. and doing it that way gives you 2 bias edges to deal with which makes very unstable blocks to work with- there are much better ways to make these-

1/2 square triangles you cut your squares- put two together- draw a diagonal line- stitch 1/4" on each side of the line- then cut on the line for (2) 1/2 square triangle blocks.

1/2 square triangles you cut your squares- put two together- draw a diagonal line- stitch 1/4" on each side of the line- then cut on the line for (2) 1/2 square triangle blocks.

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**6**Super Member

Thread Starter

Join Date: Jan 2011

Location: Small town in Northeast Oregon close to Washington and Idaho

Posts: 2,794

I know it leaves the edges on the bias, but I can be really careful. Thanks for the site Hemlock Tea. It's perfect!! Just what I needed.

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**7**Super Member

Join Date: Jan 2011

Posts: 1,812

For 8 hst's the rule is: size desired x 2 + 1

Examples: need 2" hst: 2 x 2 = 4 + 1 = 5" square

need 3" hst: 3 x 2 = 6 + 1 = 7" square

Examples: need 2" hst: 2 x 2 = 4 + 1 = 5" square

need 3" hst: 3 x 2 = 6 + 1 = 7" square

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**8**Super Member

Join Date: Sep 2011

Location: Washington

Posts: 4,001

I have tried this method and it works great. Thanks for the chart.

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**9**Super Member

Join Date: Aug 2007

Location: Clay Springs AZ

Posts: 3,229

For 8 HSTs draw an x and sew 1/4 in from lines. Cut in half both ways then on lines. No bias edges.

I use 6 in squares for 2 1/2 in triangles. You do need to square up a little.

I use 6 in squares for 2 1/2 in triangles. You do need to square up a little.

*Last edited by Rose Marie; 04-06-2012 at 05:15 AM.*

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