I started an apple core quilt and got very frustrated when it came time to sew the rows together. Someone told me that you have to put the concave curve on top of the convex curve (or was it the other way around!?!?!?), then sew. Well, it's easy enough to sew two patches together that way, but when it came to sewing entire rows together, I wasn't about to sew one block, put it out of the machine, flip the row, sew the next block, pull it out, flip the row, aarrgghhh!
So I appliqued them instead. I cut a heat-resistant template and pressed the top and bottom seam allowances of the apple core inward over the template. Then I laid them over the raw edges of the apple core next to it and put just a dab of glue on to hold it. On one project I top-stitched the apple cores together; on another I hand-stitched them.
This is a clamshell project, but it illustrates how I prepared my apple cores.
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