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Posted by Marie Dodge on February 12, 2008, 7:22 pm
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> Marie Dodge wrote:
> I'm truly at the point of frustration after hours and
>> hours at this one piece.
> The bottom line is:
> Either the pieces are cut to the wrong size,
> or the quarter inch seam allowance is wrong,
> or they don't fit together on paper.
How would you divide a 2" by 1" rectangle into 3 triangles with the largest
one in the middle? What would the measurements be? How would you do it?
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> That's it. It can't be anything else.
> The only other thing I can suggest is to draw, in pencil, the exact size
> of your pieces. Cut out the pieces with scissors.
Yes, this is what I did - about 5 times today. Then I added the 1/4' seam
allowance all around them.
Don't worry about an
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> exact quarter inch. Now sew, by hand, on the pencil lines. In other
> words, do what I was suggesting with paper, but do it with fabric.
But that's the question!!!! Where are the smaller ones placed on the
larger one to make a rectangle with a seam allowance of 1/4"? I'm not
stitching them in the right place apparently. I must be placing them wrong
somehow because I get a fine rectangle but with the points at the edge and
no seam allowance. Do I line up the bottom of the triangles? Do I offset
them somehow? How are they placed before sewing?
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> --Lia
>
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Posted by Anne Rogers on February 12, 2008, 9:07 pm
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> How would you divide a 2" by 1" rectangle into 3 triangles with the
> largest one in the middle? What would the measurements be? How would
> you do it?
>
ok, now I see what you are trying to do (I think). The unit you are
making is called a flying goose, there are many many techniques for
doing that, but if you want to make it out of 3 triangles you'd have to
cut a quarter square triangle from a 3 1/4 in square (cut it into 4
triangles) and your other 2 triangles are half square triangles, cut
from a 1 7/8 in square. It's actually fairly tricky to get them spot on
with this method, you can place the first small triangle on to the big
one fairly accurately by having the bits that hang over at either end
being the same time, but after sewing and pressing that, what you have
is no longer symmetrical, so placing the 2nd triangle accurately is
trickier.
Another method is to cut a rectangle 1.5*2.5 and 2 squares, each 1.5,
then draw a diagonal line across each of the squares. Place the first
square on one side of the rectangle, sew along the line, trim the seam
and press, then place the other square on the otherside, do the same,
and ta da, you have a roof - I'd go for this method, with the size you
are working with accuracy is essential and the waste isn't too great.
Cheers
Anne
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Posted by Marie Dodge on February 13, 2008, 12:26 am
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>> How would you divide a 2" by 1" rectangle into 3 triangles with the
>> largest one in the middle? What would the measurements be? How would you
>> do it?
> ok, now I see what you are trying to do (I think). The unit you are making
> is called a flying goose, there are many many techniques for doing that,
> but if you want to make it out of 3 triangles you'd have to cut a quarter
> square triangle from a 3 1/4 in square (cut it into 4 triangles) and your
> other 2 triangles are half square triangles, cut from a 1 7/8 in square.
> It's actually fairly tricky to get them spot on with this method, you can
> place the first small triangle on to the big one fairly accurately by
> having the bits that hang over at either end being the same time, but
> after sewing and pressing that, what you have is no longer symmetrical, so
> placing the 2nd triangle accurately is trickier.
> Another method is to cut a rectangle 1.5*2.5 and 2 squares, each 1.5, then
> draw a diagonal line across each of the squares. Place the first square on
> one side of the rectangle, sew along the line, trim the seam and press,
> then place the other square on the otherside, do the same, and ta da, you
> have a roof - I'd go for this method, with the size you are working with
> accuracy is essential and the waste isn't too great.
I'm willing to try anything that works............ I think my mind is about
ready for another jolt of caffeine.
These are 10" wide and 12" high:
http://i84.photobucket.com/albums/k28/Lottaminya/IM001636.jpg
http://i84.photobucket.com/albums/k28/Lottaminya/IM001635.jpg
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> Cheers
> Anne
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Posted by Pati C. on February 12, 2008, 6:55 pm
Marie, remember to add 1/2" to your finished size, not just 1/4" .... so
you need rectangles that measure 2 1/2" by 1 1/2"
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<G>
Pati, in Phx
Marie Dodge wrote:
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>
>> Marie Dodge wrote:
>>> But how do I get the correct size without cutting off the point of
>>> the roof? The roof is shaped like this --> ^ It's like an
>>> upsidedown V. The roof must come to a point and have 1/4" seam
>>> allowance. Same for the sides of the roof. They don't reach the
>>> walls of the house.
>> You may need to draw this on paper for it to make sense.
>> You DO cut off the top point, BUT a new point is created when the
>> other pieces are sewn on.
>
> For some reason the top of the point is at the top of the square so when
> the next block is added the point is gone into the 1/4" seam. The sides
> are the worst. The points of the edge of the roof are squared off in the
> seam. I can't get a good seam allowance and I can't remember how it's
> done from years ago. Basically I'm sewing 3 triangles together to make
> a finished 2" by 1" rectangle. The rectangle has to be 2 1/4" by 1 1/4".
>
>
>> The point that you will see in the finished product will be created
>> when all 3 seam allowances are figured in.
>
> But there is none at the bottom of the rectangle made of the 3
> triangles. The point comes right to the edge and is squared off in the
> seam. The top barely has a seam allowance.
>
>> Try it on paper. Draw your triangles the way they fit together
>> without seam allowances. Now take a different colored pencil and draw
>> a line that represents seam allowances. See the way a new point is made?
>
> I see a confusing tangle of different colored lines. When the material
> is cut out and sewn together I either have no seam allowance at the top
> or none at the sides and lose the points at the sides. I have searched
> everywhere for my old book with the instructions to make these. I have
> 5 quilting books and not one explains how to sew 3 triangles together to
> make a rectangle. I'm truly at the point of frustration after hours and
> hours at this one piece.
>
>> --Lia
>
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Posted by Marie Dodge on February 12, 2008, 8:46 pm
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> Marie, remember to add 1/2" to your finished size, not just 1/4" .... so
> you need rectangles that measure 2 1/2" by 1 1/2"
I add 1/4" to each side = 1/2" total.
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> I'm truly at the point of frustration after hours and
>> hours at this one piece.
> The bottom line is:
> Either the pieces are cut to the wrong size,
> or the quarter inch seam allowance is wrong,
> or they don't fit together on paper.