Here is my entry. It is a mathematical saddle point as depicted in origami
https://steemit.com/minicontest/@gmatthe2/origami-saddle-point-for-gulagu-minicontest
Here is my entry. It is a mathematical saddle point as depicted in origami
https://steemit.com/minicontest/@gmatthe2/origami-saddle-point-for-gulagu-minicontest