shapes:

    "octopus_sm_sixth":

        #   +
        #  +++
        # ++++
        # .  +

        #      -+
        #     / |
        #   +-   \
        #   |     |
        #  / \   -+
        # |   | / |
        # 0---+-  |
        #       \ |
        #        -+

        prismels:
            : "tri" (0 0 0 0)  0 f eval: 1 + 1
            : "tri" (1 0 0 0) 11 f eval: 1 + 2
            : "sq"  (1 0 0 0)  1 f eval: 1 + 3

    "octopus_sm":
        shapes:
            : "octopus_sm_sixth" (0 0 0 0)  0 f
            : "octopus_sm_sixth" (0 0 0 0)  2 f
            : "octopus_sm_sixth" (0 0 0 0)  4 f
            : "octopus_sm_sixth" (0 0 0 0)  6 f
            : "octopus_sm_sixth" (0 0 0 0)  8 f
            : "octopus_sm_sixth" (0 0 0 0) 10 f


    "octopus_sm_anim_sixth":
        animation: oscillate 6
        shapes:
            : "octopus_sm_sixth" (0 0 0 0) 0 f
        prismels:
            : "tri" (1 1 0 0)  2 f eval(1 + 4) (1 1)
            : "sq"  (1 1 0 0)  1 f eval(1 + 4) (2 4)
            : "tri" (1 2 0 0)  2 f eval(1 + 3) (3 1)
            : "sq"  (1 2 0 0)  1 f eval(1 + 3) (4 2)
            : "tri" (1 3 0 0)  2 f eval(1 + 2) (5 1)

    "octopus_sm_anim":
        animation: cycle 12
        shapes:
            : "octopus_sm_anim_sixth" (0 0 0 0)  0 f  0+
            : "octopus_sm_anim_sixth" (0 0 0 0)  2 f  2+
            : "octopus_sm_anim_sixth" (0 0 0 0)  4 f  4+
            : "octopus_sm_anim_sixth" (0 0 0 0)  6 f  6+
            : "octopus_sm_anim_sixth" (0 0 0 0)  8 f  8+
            : "octopus_sm_anim_sixth" (0 0 0 0) 10 f 10+

    "octopus_anim": map ("curvy") ("octopus_sm_anim")