data = Select[ ParallelTable[ Graphics3D[{Cuboid /@ Position[ CellularAutomaton[{n, {2, 1}, {1, 1, 1}}, {{{{1}}}, 0}, {{{8}}}], 1]}, Boxed -> False], {n, 2, 120, 2}], Length[#[[1, -1]]] > 3 &];
GraphicsGrid[Partition[data, 7], Frame -> All, ImageSize -> 1000]