set of 20 black filled vector icons such as polygonal hexagon, polygonal hexagonal, polygonal house or home building, jet aircraft, jewel, letter z of small triangles, scorpion, star of six points, Set of 20 black filled vector icons such as polygonal hexagon, polygonal hexagonal, polygonal house or home building, jet aircraft, jewel, letter z of small triangles, scorpion, star of six points,