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#twisty_puzzle #rubik's_cube #mechanical #oskar_van_deventer #difficult #hard #problem #solve #think #creative #invent #art #slide #turn #math #fun #smart #scramble #3d-print #nylon #oskarpuzzle #oscarpuzzle #puzzle #cube #engineering #innovation #gears #adults #entertain #education #english #us #17x17 #guinness_world_record #toy #thinkfun #hanayama #mefferts #how_to #guru #intelligent #oddly #satifying #3D_print #print-it-yourself #2023 #maze #packing #packing_problem #many_moves #cubic #cubies #tom_lenschComments: