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-   -   quick way to create half square triangles (https://www.quiltingboard.com/tutorials-f10/quick-way-create-half-square-triangles-t74134.html)

peppermint31 11-05-2010 06:23 AM


Originally Posted by jan22
Here's the chart we were given, but I have not tested any of them to see if the final is with or without the 1/4" seam.
2" sq = 1 " HST
2.5 = 1.5
3.5=2
4=2.5
5=3.5
6=4
7=4.5
8=5
8.5=5.5
9=6
10=7

I believe the size you get is unfinished as I started using this method. Then I don't have to square them up if I am careful how I sew.

Lukayna 11-05-2010 06:34 AM

Are you serious?! I think that is the coolest thing I've seen/learned about quilting...ever! Brillant - thanks for sharing!

ReeneeD 11-05-2010 06:38 AM

Should I starch before cutting or before I sew the two together. Looks like a great way to make a lot of them.

bearisgray 11-05-2010 06:49 AM


Originally Posted by ReeneeD
Should I starch before cutting or before I sew the two together. Looks like a great way to make a lot of them.

I accidentally pressed "send" -

kriscraft99 11-05-2010 06:53 AM

oh this is a great tip! thank you so much for the pictures :)

jan22 11-05-2010 06:53 AM

I love Best Press instead of starch. It doesn't leave a residue on my fabric, gives it just enough body to hold and the best part is it smells good and no mess on my flat iron. The quilt in my avatar has lots of quarter square trianges around the outside and none of them stretched thanks so Best Press.

patdesign 11-05-2010 07:00 AM


Originally Posted by jan22
I love Best Press instead of starch. It doesn't leave a residue on my fabric, gives it just enough body to hold and the best part is it smells good and no mess on my flat iron. The quilt in my avatar has lots of quarter square trianges around the outside and none of them stretched thanks so Best Press.

Where do you find Best Press? Thanx

jan22 11-05-2010 07:08 AM

Most fabric shops carry it. I think Joann's might too. It's called Mary Ellen's Best Press. Do a search on Google, you'll see it. Then you'll know what your looking for at the shop.

SandraD 11-05-2010 07:19 AM

Very cool - I love this!!

dglvr 11-05-2010 07:32 AM

Thanks Oma for the tutorial. Thats great. Love your fabrics.
:thumbup:

patdesign 11-05-2010 07:34 AM


Originally Posted by jan22
Most fabric shops carry it. I think Joann's might too. It's called Mary Ellen's Best Press. Do a search on Google, you'll see it. Then you'll know what your looking for at the shop.

Thanks, will check. :-D

lillybeck 11-05-2010 07:43 AM

Thank you so much. This is the simplest way I have ever seen.

copehome 11-05-2010 07:44 AM

Moda Bake Shop has a "recipe" using that method -

http://www.modabakeshop.com/2009/09/...iffy.html#more

LindaG 11-05-2010 07:59 AM

I've been quilting for many years and NEVER saw this! THANKS!!

tygerlady 11-05-2010 08:05 AM

Great tut oma..thank you for sharing this with us. I would have never thought of doing it this way!

meow meow 11-05-2010 08:06 AM

A friend of mine told me about this at the hospital last week too. So it was great to hear that this really works. I had come home and tried one and called another friend who right away commented about whether it would stretch or not (Q.P. big time) and I told her I assumed it would since it was on the bias but that it went real fast and according to the lady who told me about it that the work went fast and she had no problem. I like the idea about starching so now I am going to tell my Q.P. friend (quilt police friend to the max) about the starch and I am going in today to cut lots of 9 1/2 inch squared for my scrappy quilt!!! Oh I love this idea!!!! Thanks for sharing all the ideas.

Quilting Nana 11-05-2010 08:42 AM


Originally Posted by oma66

Originally Posted by Tallulah
How do you determine the square sizes for the blocks that you want to make? For instance, if I needed 6 1/2 inch half square triangles, what size would the two squares need to be?

I cut 91/2 in squares and ended up with 6 1/2 in half square triangle blocks.

But how do you figure out how to large to make the square to get your perfect square triangle? What is the correst math. Is it plus 3 inches for all sizes?
Sorry for being so dense.
Never mind I found the math. Should read full thread before I ask questions. Sorry

csharp 11-05-2010 10:06 AM

Thank you so much for the info

ewhughe1 11-05-2010 10:15 AM

Joann's does carry "Mary Ellen's Best Press". I've seen it on the web site.

quilter64779 11-05-2010 10:21 AM

Thanks for the tutorial. I had never seen them made this way. Looks lots easier will be trying it soon.

fmd36 11-05-2010 10:27 AM

Perhapsed I missed it,but what is the size of your original square? I am math challenged but I would need to know this. Would'nt different sized squares produce different sized triangles. (DUH?)

Ida 11-05-2010 10:53 AM

thanks for the tute!

Prairie Chick 11-05-2010 11:36 AM


Originally Posted by oma66

Originally Posted by Tallulah
How do you determine the square sizes for the blocks that you want to make? For instance, if I needed 6 1/2 inch half square triangles, what size would the two squares need to be?

I cut 91/2 in squares and ended up with 6 1/2 in half square triangle blocks.

Soooooooo....you add 3 inches to the finished size of the half square you need for the size the the 2 large squares that will produce 4 half squares (hope this makes sense). :lol:

copehome 11-05-2010 11:42 AM

Page 3 of this thread has a posting of a chart that gives the beginning square size to create a HST.

Maria C 11-05-2010 12:36 PM

Wow - what a fantastic tip. never heard of it before. This site is great for teaching. thanks ladies.

seweasy 11-05-2010 12:42 PM

Thanks, Oma; great tutorial! I was going to work on a scrappy quilt for a baby gift so I think this is what I will work with this weekend. I printed out a 'printer version" tutorial from the Moda site(pg.4) and a copy/paste of the size chart from (pg.3). There was enough space at the end of Moda tutorial to tape the chart, this way I have both together. I've started a quilt workbook of sorts, so any tips or tutorials go in the workbook.
And of you who posted great questions and posts, it really helps us all!!! Chris

smitty 11-05-2010 02:34 PM


Originally Posted by llong0233
Beautiful Arizona! I'm one step BEHIND you. I have been quilting for 4 years and still have trouble squaring up the fabric. It's the bane of my quilting existence. Do you have any great tips like this one for squaring up?

best to use a bias square ruler. they come 4,6,8.9". etc.
place the diagonal line on the ruler on the diagonal line of your HST. make sure you have the size you want to the R & Top side of the ruler, and check to see that you will have enough showing on the other edges to make the size you want. usually there is not a heck of a lot to trim. trim R & Top, turn square, true up again to your size. cut again.
bigger blocks may be harder to do if you do not have that size square-up ruler. you will find that several sizes make live easier. if squaring squares, use one of the seams to line up the ruler on a straight line (can't thank of how to word that, but you will see when you try it)
try some scraps to get familiar with the square ruler.
hope this is clear enough. pm if not.

debbieoh 11-05-2010 02:45 PM

Is there a chart somewhere to know how big of squares to use for different sizes of half square Triangles

grann of 6 11-05-2010 03:04 PM


Originally Posted by debbieoh
Is there a chart somewhere to know how big of squares to use for different sizes of half square Triangles

See the 3rd page of this thread.

JUNEC 11-05-2010 03:32 PM


Originally Posted by oma66
I am sure that most of you have seen this method of creating half square triangles, but perhaps those new to quilting have not. the pictures below, I hope, show how it is done very clearly. I made enough half square triangles for a full size quilt in one long afternoon - that includes cutting, sewing, ironing and squaring up the blocks.

WOW - thank you for the great directions - Will being trying it tomorrow.

Ann L 11-05-2010 03:33 PM

Great idea Oma (I could never get my GD to call me that, she does call DH Opa though). Were your squares 9.5 inches? I think I might have just figured out what my next quilt will be. Thank you for the inspiration.

ktmo815 11-05-2010 03:36 PM

If I want to make a 12 " block - what size should my triangles be using this technique?

Prairie Chick 11-05-2010 03:57 PM


Originally Posted by copehome
Page 3 of this thread has a posting of a chart that gives the beginning square size to create a HST.

Thanks! :thumbup:

But a formula would be nice to have, in case we have a block we want to make that is not on the chart. By the chart, I don't see a pattern in the sizes to be able to come up with this myself - anyone out there have the FORMULA????

poultney 11-05-2010 04:43 PM

I love making them this way. I just used them to make flying geese around a wall hanging for my gd.

All Thumbs 11-05-2010 04:58 PM

I made a bunch of these for charity quilts once and, upon complaining to fellow quilters that I was uneasy with the bias edges, one suggested I cut the original square on the bias, thus making the criss-cross cuts on straight of grain. Hum-m, need to go to sewing room and try this out. Just might work....not for sure.

Dawneda 11-05-2010 05:24 PM

This looks too easy but I'll try it. Thanks.

Dawneda

missionslady 11-05-2010 05:24 PM

Sometimes when you see something like this, it looks so simple you wonder why you didn't think of it before! Thanks so much for sharing this. You have just saved many of your sewing sisters many hours of work. I'm looking forward to trying your method!

PBCHRETIEN 11-05-2010 06:04 PM

thanks for the quick tip.

oma66 11-05-2010 06:25 PM


Originally Posted by llong0233
Beautiful Arizona! I'm one step BEHIND you. I have been quilting for 4 years and still have trouble squaring up the fabric. It's the bane of my quilting existence. Do you have any great tips like this one for squaring up?

Personally I feel that using the sizing on the block really helps with squaring it up. I still have a problem sometimes. If I am cutting a block that is just a two piece block, I always add 1/2 " to the block and there is lots of room for squaring up. Some of the well-know quilters do this and that is where I got it. I always use sizing on all my blocks and it is the one tool that really is helpful to me. Try both ways and see what works for you.

quilterfly 11-05-2010 06:26 PM

I've never seen this before & it is so clever! Thanks so much. I have to go now. I'm making a million half-square triangles!


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