1 Attachment(s)
Originally Posted by QuiltnNan
(Post 6231582)
my square up ruler has the markings listed differently on different sides. two sides are listed by the even inches and the other two sides are listed by the half inches. perhaps this is what the OP means.
Here's an example ... is this what you're talking about?? it's printed like this so you can easily use either whole units or half units when measuring. Also notice that there are two sets of each, with one printed left to right and the other right to left. |
You have a true 3 1/2-inch square ruler. If they put a 1/2 inch on all four sides your ruler would be a 4 inch square. If 1/4 inch was put on each side it would make your ruler more difficult to use if you wanted less than 3 1/2 inches.
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TWO SIDES START AT ZERO AND TWO SIDES START AT HE 1/2 INCH. Dang Cap Lock!! Both end at 3.5 inches. On the ruler above as an example. The white numbers are even numbers, the black numbers are 1/2 inch numbers.
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yep, those are the lovely rulers with 1/2 increments. so it is 3 1/2 inches square.
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Originally Posted by Jan in VA
(Post 6230490)
Go look at the Bias Square 8 ruler from That Patchwork Place. I require this one in most of my classes for squaring up blocks up to 8" in size, or any component within those blocks. It is differently marked than any other ruler on the market and this is how I use it:
Jan in VA After you cut the first eighth off, you turn it around, but now the ruler should show 4 eighths that have no fabric behind, because you have cut an eighth off. Both rulers look exactly the same, and that is not correct. |
Originally Posted by maviskw
(Post 6233954)
The picture made by Jan on page one of this thread (post no. 5), didn't show up, but I think it is messed up.
After you cut the first eighth off, you turn it around, but now the ruler should show 4 eighths that have no fabric behind, because you have cut an eighth off. Both rulers look exactly the same, and that is not correct. |
Those are your seam allowances!
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Originally Posted by bearisgray
(Post 6230522)
The 'fabric piece' still appears to be exactly the same size in the second illustration.
Still, if I can, I much prefer to use a square ruler for trimming if I can find a ruler the size I'm trying to get. It allows me to put the block on a small mat that I can turn around, avoiding the problem of trying to pick anything up and put it back down, lining everything up a second time. I think I understand what gobucks7 is trying to say: A ruler is usually numbered outward only from one end of each side, so if it is intended to provide a whole number of inches plus the 1/2" for seam allowances, you are going to get a situation where that half inch mark falls on one side but not the other. The only thing the ruler makers could do to make it possible for you to place the half inch on the side you want every time is put an extra set of numbers on all sides. This would be very cluttered and confusing. It's just better to put your "0" start point where you need it to be as you are making the cut, or learn to keep in mind that if you're looking from the 3 1/2" (or whatever and a half) point, then the full inch distance from that corner will be at the 1/2" marks. I have managed to make mistakes where I am thinking in terms of those full inch marks and trim off a half inch more - or if I'm lucky, less - than intended. This is difficult to explain unless you're actually looking at a typical ruler that is square and includes the extra half inch. There are a few rulers around that are whole numbers of inches, but they're not common. When you use them to trim a block, the finished size of the block will be something and a half inch, which is usually not what you're trying to achieve. |
My rulers are all square, if they're supposed to be square.
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My hubby went to Lowe's and bought a sheet of plexiglass and had them cut into squares. triangles. strips and blocks to my size specifications.
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