• Always Round

    • small: 1220 mm, (48 in) diameter
    • large: 1550 mm, (61 in) diameter
    • 62% expansion ratio
  • Thoroughly Documented

    • Build guide walks you through the process
    • Complete drawing package
    • DXFs include (CNC helpful but not required)

Customize Your Exterior

  • small

  • large

  • Barrel

  • Converging-Diverging