EntityQ17005818· pop 7· linked from 180 articlesConway criterionSign in to savemethod to quickly identify geometric figures capable of tessellationConnectionstessellationEntityheptominoEntityInternational Standard Book NumberEntitydigital object identifierEntityparallelogramEntityM. C. EscherEntitycongruenceEntityballEntityMartin GardnerEntityScientific AmericanEntityJohn Horton ConwayEntitytranslationEntitynecessity and sufficiencyEntitypolygonal dihedronEntitypolyominoEntitydisphenoidEntitypolyformEntityprototileEntitycentrosymmetryEntityHeinrich HeeschEntityCategoriesJohn Horton ConwayTessellation