The Kongming 209 Puzzle:This toy is a traditional Chinese intellectual puzzle challenge. Have fun for hours challenging yourself and friends with this simple yet complex toy. It consists of nine interlocking pieces that form a 3D star shape. Have fun trying to solve it! This puzzle measures 1¾x 1¾ x 1¾" / 44.45mm x 44.45mm x 44.45mm.

• The included STL file is set to the recommended print size in millimeters (44.45 x 44.45 x 44.45).
• Model files consist of 778 triangular polygons.
• No supports are required for a successful print using this model.
• Model has been tested repeatedly for printability; see images above for examples of what to expect as a final product.
• Completely watertight geometry; no gaps or loose polygons
• Recommended layer height: .15mm/150 microns
• Recommended infill: 5-10%
• Recommended print speed: 50-70mm/s
• Recommended travel speed: 100-120mm/s