1. Gregg Easterbrook often refers to the Steelers as the Hypocycloids . 2. An elementary construction using hypocycloids was found by achieving the same lower bound. 3. Hypocycloids " rolling " inside one another.4. The cusps of each of the smaller curves maintain continuous contact with the next-larger hypocycloid . 5. It consists of the word " Steelers " surrounded by three astroids ( hypocycloids of four cusps ). 6. In this case the trajectories are called hypocycloids and the equations above reduce to those for a hypocycloid. 7. In this case the trajectories are called hypocycloids and the equations above reduce to those for a hypocycloid . 8. Chilean soccer team CD Huachipato based their crest on the Steelers'logo, and as such features hypocycloids . 9. In this case, the curve traced by a point on the pitch circle of the planet is a hypocycloid . 10. The Pittsburgh Steelers'logo, which is based on the Steelmark, includes three astroids ( hypocycloids of four cusps ).
