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How to Split Large STL & 3MF Files for Small Print Beds Without Slicing Errors

Every desktop 3D printer eventually hits a physical ceiling: build volume. An Ender 3 caps out around 220 × 220 × 250 mm; a Prusa MINI or Bambu Lab A1 mini restricts you to an 180 mm cube.

  • Check usable build volume, subtract 8-10 mm from each axis
  • Use STL Splitter tool to preserve mesh topology without re-meshing
  • Align cut planes along natural body lines, avoid thin walls

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