Brazil Swimwear
Sc
Five dc
Seven dc
Eleven dc
Thirteen dc
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Inc in first, . . ., inc 2 in middle, . . ., inc in last
Inc 2 in middle
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Until the width provides sufficient coverage
Work rows without increase until the height provides sufficient coverage
Four more rows: hdc, dc, dc, hdc
Set the cup so the backside is facing upward. Fold over the last two rows so the hdc rows lay on top of each other and the bottom edge of the work meets the last row of the dc non-increasing rows. Work surface crochet across to seam the bottom edge.
This is a public note. It is not a pattern. This documentation of my process has been made public with little clarification in case there is anything to be learned.