Polyming Integration

A polyiamond is a plane figure formed by joining cells in the equilateral triangular grid along edges. A polyming is a plane figure formed by joining cells in the equilateral triangular grid along edges or at corners or both.

To integrate a polyming is to join copies of it to form a polyiamond. Here I show minimal integrations for polymings. I omit as trivial polymings that are themselves polyiamonds. The minimal integrations shown are not necessarily unique.