In England you sometimes see these ‘wavy brick walls. Curious as it may seem, this shape uses fewer bricks than a straight wall. A straight wall needs at least two layers of bricks to make is sturdy, but the wavy wall is fine thanks to the lateral support provided by the waves.

These curvaceous structures offer up a classic illustration of a contradiction jumping solution: the desire to use a minimum number of bricks is impeded by the lack of strength of the resulting wall. Here’s what the Contradiction Matrix has to say about how others have solved this conflict:

And there, in third place is Principle 14, Spheroidality, and specifically Principle 14A, ‘turn straight edges or flat surfaces into curves’. Easy.