Rostock mini

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Rostock Mini In-progress

The Rostock mini is a delta 3D printer based on the modified design of the original Rostock created by Johann. The printer is designed to have a smaller build volume allowing for a smaller, more compact, portable, and desktop friendly version of the delta RepRap design. Using OpenSCAD, the parametric nature of the design files allows for print surfaces to be configured that range from potentially as small as 100x100 mm (4x4 inches) all the way to 300x300 mm (12x12 inches) or more. Further, construction parameters such as the length of the drive belts, diagonal rods, and a laser cuttable frame as well as the firmware parameters such as diagonal rod length and delta radius are all automatically calculated based on the size of the specified print surface.

As of October 11, 2012 this wiki is actively being edited so details and information will be changing over the next few weeks.

Design Goals

  • Build volume: 152x152x192 mm (6x6x7.5 inches).
  • Footprint: TBD.
  • Print surface: 152x152 mm heated glass which never moves.
  • Mass of end effector with hotend: TBD.
  • Positioning speed: up to 800 mm/s in all 3 directions.
  • Positioning accuracy: at least 30 steps/mm in all 3 directions.
  • Simplicity: fewer than 200 parts.
  • Hardware cost: less than $500 USD.