The mark beside the Rethink Sans wordmark, its corners tightened and then made square, so it shares the name’s sharp ends. The two shoulders stay round: they are the curve of the n.
Corners 10, the opening’s corner 6, rounded edge tips.
Corners 4, the opening’s corner 2.5. Still soft, but crisper next to the name.
Square corners and square edge ends. Only the two shoulders stay round, the curve of the n.