3 Questions Posted at Overflow

Just for the record, storing the links:
1. Fattest Polygons based on Diameter and Least Width:
https://mathoverflow.net/questions/385856/fattest-polygons-based-on-diameter-and-least-width

2. Convex Lattice Polygons of Equal Area and Perimeter:
https://mathoverflow.net/questions/386399/convex-lattice-polygons-with-equal-area-and-perimeter

3. On One-Parameter Families of curves Drawn on a Lattice Background:
https://mathoverflow.net/questions/386647/on-one-parameter-families-of-curves-drawn-on-a-2d-lattice-background