AVirtualMachineForExploringSpaceTimeAndBeyond : The level-1 cluster made of 9 'Spectre' tiles including a 'Mystic' (dark grey lines) with display of all the key-points making quadrilaterals (8 red small and a green big one) (Le 'cluster' de niveau-1 constitue de 9 paves 'Spectre's incluant un 'Mystique' (traits gris fonces) avec visualisation des points-clefs regroupes en quadrilateres (8 petits rouges et un grand vert)).

The level-1 cluster made of 9 'Spectre' tiles including a 'Mystic' (dark grey lines) with display of all the key-points making quadrilaterals (8 red small and a green big one) [Le 'cluster' de niveau-1 constitué de 9 pavés 'Spectre's incluant un 'Mystique' (traits gris foncés) avec visualisation des points-clefs regroupés en quadrilatères (8 petits rouges et un grand vert)].

The discovery of the "EinStein" tiling of the plane by means of the "Spectre" monotile is due to David Smith, Joseph Samuel Myers, Craig Kaplan and Chaim Goodmann-Strauss (05/2023).

See some related pictures (including this one):