Seven (not six) intersecting circles turning in steps of 60�.

• Inventor: Xu Hai Kun
• Mechanism: Intersecting circles
• Patents: Unknown
• Producer: Customly 3D printed
• Year: 2022
• Original Price: $0.00 USD
• Current Price: No Data

As the name suggests this is a direct successor of the Rainbow Arecibo. The colour pattern is the same in both patterns but the mechanism is completely different. The Plus-variant allows turns in steps of 60�. This also enables a seventh circle in the middle of the puzzle.
The puzzle can be gripped from front and back, the black frame is only around the edges of the puzzle.
The pattern of cuts is identical to the Sirius but with additional circles. See the seperae entries.
It is customly 3D printed. It is sold through hknowstore.
Size: 13 x 182 x 193 mm

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