EntityQ17022147· pop 6· linked from 172 articlesHeesch's problemSign in to saveon surrounding polygons by layers of copiesConnectionslist of regular polytopesEntityWang tileEntitysnub hexagonal tilingEntitygeometryEntitypolygonEntitydigital object identifierEntityInternational Standard Serial NumberEntityQ180686EntityprismEntityJSTOREntitycongruenceEntityQ229883Entityhyperbolic geometryEntitytessellationEntityMathWorldEntityVoronoi diagramEntityantiprismEntitybipyramidEntityEric W. WeissteinEntityPenrose tilingEntityCategoriesTessellationUnsolved problems in geometry