Originally Posted by sef0181

I'm currently wishing I'd paid more attention in Geometry class in high school...
I can't figure out where I went wrong in the math on a design I attempted to create... I either did the math wrong or I cut incorrectly. This is the first time I've worked with triangles, and because they're kind of bordering a strip, I cut them with the straight grain (is that the right terminology?) on the diagonal and the bias on the other two sides.

Would someone give me some feedback on why this block isn't working? It's either bad cutting/measuring, bad seams (I think I'm doing good on straight 1/4" seams...), or a bad plan to start with. I'm making 3 of these, so if I fix it now, the other two kid's quilts will go easier.


Here's what the overall plan is: