Basic block question
 

I am working on this block to be the center square for a memory quilt for a friend who was recently diagnosed with inoperable cancer. I am still fairly new (obviously) to quilting and don't know what I did wrong on the background. I wanted an 8" block (8 1/2") finished size. What should I have done differently? I think I ran across a formula for this type of block at one point, but I can't seem to find it. Can one of you please share that with me?

Sorry, I didn't explain that very well ... the size is fine, but I would have been happier with the corners of the light blue not cut off and I don't know how to construct that diagonal square.

YOU NEEDED A LARGER CENTER SQUARE; HAS TO HAVE 1/4" BEYOND THOSE POINTS. (I didn't mean to be in caps)

I'd fixed the remaining blocks but leave this one as is - it looks fine, and you can think of it as your Amish block
The Amish make an intentional mistake in their quilts. Only God is perfect.

Thanks, wow you are fast. :) Okay, larger center square. But isn't there some way to figure the corner squares in relation to the center square? I know it isn't the same size, but I don't know how to figure the corner squares (the dark blue ones on this).

From a different point of view....I sort of like it with the corners cut off.... I know, that doesn't answer your question, but then, I don't know the answer. I am sure someone here will. :)

Dina

The block sort of has the feeling that it is going somewhere, not closed in. And of course, the Amish answer always works.

Actually, you needed larger triangles.

Instead of doing a lot of calculations, I simply cut the triangle units a couple of inches larger than necessary. I find the center of the triangle side (usually fold in half and iron in the halfway mark) and do the same on the center square (find the center of the side and iron in the fold). I match the center points and sew the triangle on, iron, and then use a large ruler to cut the triangle down to the correct size. This works for side triangles when assembling a large quilt of on-point squares also.

Edit: Found this website for the math:
http://quiltville.com/onpointmath.shtml

The math you need is the corner triangle directions (first ones on the page). Instead of using that exact math, I just make the squares bigger. For example, instead of adding on 7/8ths of an inch I would add on at least an inch, and probably more like 2 inches (just in case!).

Try here
http://quilting.about.com/od/quiltse...ngtriangls.htm
They are called setting triangles and there are many different tutorials on calculating the right size.

Wow! Thank you all so much! The links are great and I have them bookmarked. I love the Amish answer to this block, so I'm not going to make a new one. But, I really wanted to know how to make it with corners for the next time. I have something new to practice. :)

OK, so I am lazy. I over cut. I multiply the unfinished block by 1.8 and divide by 2, then square up. I cut on the diagonal, sew on the blocks then trim the whole block. If I have enough fabric, I will also cut the blocks for the setting triangles the size of the finished block, cut on the diagonal and sew. When I trim what is important is that I leave 1/4" between the point created (in your case) by the white fabric and the trimmed edge. That 1/4" is your seam allowance so the point of the white is exactly at the seam.