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# Thread: Fons & Porter Half & Quarter

1. I lost my instructions to my ruler and the directions online didn't help me remember what I am doing. I know with the ruler how to find the strip size I need, but what I having issues remembering how to sew them together.

I think you sew two together on the hypotenuse and then lay the next set on top and sew in the center to make two. Am I correct? Any help is appreciated.

2. Maybe send the company a message and ask then for help :wink:

3. For half square triangles you would sew the long sides together but for quarter square trianges wouldn't you have the long sides on the outside around the block? Or did my brain just shut down again. I hope someone knows and can help.

4. hypotenuse? Is that a math word? Cause I didn't know we have to know math. I thought I just have to know quilts, not math. Math makes me nervous.

5. Hypotenuse us the longest side of the right triangle. The others are called the sides of the triangle.

Yep, I used to teach math back in the stone ages.

ali

6. I am a newbie quilter.... so I still have the instructions for this ruler. I know that the half-square triangle works just like Thangles, if you have ever tried those. I will type out the instructions below... hopefully it will help.

NOTE: Cutting guide marks on the ruler are for finished-size triangles.

CUTTING QUARTER SQUARE TRIANGLES

Quarter-square triangles are cut so the hypotenuse (long side) of the triangle is on the fabric straight of strain.

1. Select black line on ruler that corresponds to the desired finished size of the hypotenuse of triangle. Solid lines are for even inches and dashed lines are for 1/2" increments.

2. Follow across the line to the right edge of the ruler and cut a fabric strip the width indicated. For example, to cut a 4"-finished quarter-squaqre triangle, cut a 2 1/2" wide strip.

3. Cut triangles as shown, first placing the cutting guidelines along the bottom cut edge of strip and then along the top edge of strip (Photo A) (The photo shows the triangle placed on the strip so that the hypotenuse is first on the bottom and then next flipped to the top and so on. )

CUTTING HALF-SQUARE TRIANGLES
Half-square triangles are cut so the legs (short sides) of the triangle are on the fabric straight of grain.

1. Select yellow line on ruler that corresponds to the desired finished size of the legs of triangle.

2. Follow across the line to the left edge of the ruler to find the width to cut fabric strip. Cut a strip this width. For example, to cut a 4" finished half-square triangle, cut a 4 1/2" wide strip.

3. Cut triangles as shown, first placing the cutting guideline along the bottom cut edge of strip and then along the top edge of strip (Photo B) The yellow shaded area of the ruler will extend beyond the edge of the strip. (The photo shows the triangle with the hypotenuse at a 90 degree angle to the fabric and the little tiny yellow triangle is placed right above the top of the strip. Then the triangle is flipped for next cut.)

In the first photo - Quarter-squre triangles, the cuts end up looking like ric rac.... every cut is angled. In the second photo, for the Half-square triangles, the first cut is vertical and the second is diagonal, then vertical and then diagonal and so on.

They give a tip for the Half-square triangles: Your triangles will be pre-trimmed with the tiny fabric tips that you normally cut off after sewing already eliminated [on one side]. We like to cut these triangles with our strip folded in half so half our triangles are trimmed on the right end and the other half on the left.

I hope that this makes sense without the photos for help. If you need me to, I can try to attach the photos, or I can take a picture with my phone and send it in a text.

7. I think I will try to make a few today based on the instructions. I think you are correct. The hypotenuse would be on the outside of the blocks. I'll let you know how it works out.

8. From what I can remember in making these, you sew the hypotenuse together for the half-square triangle, which would be along the bias of the fabric. the outside of the square would be straight of grain. I have never done a quarter-square triangle, but according to the photo, you would still sew the hypotenuse together, but this would be on the straight of grain instead of the bias.

If you made some half-square triangles, sewed them together and then cut from the center of the hypotenuse to the top, you would end up with two quarter square triangles, sewn into a half square triangle. I believe that the grain would be correct.

9. how great so much help

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