{"version":"1.0","type":"link","title":"Polyform - Newikis","description":"In recreational mathematics, a polyform is a plane figure or solid compound constructed by joining together identical basic polygons. The basic polygon is often (but not necessarily) a convex plane-filling polygon, such as a square or a triangle. More specific names have been given to polyforms…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/a/aa/All_18_Pentominoes.svg/1280px-All_18_Pentominoes.svg.png","thumbnail_width":1280,"thumbnail_height":452}