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Double BiRex
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The Double Lotica with two additional piece types and one piece type removed.

This puzzle is designed to follows the Double Lotica. It consists of three intersecting circles. Two turns by 90�. The third by 180�.
Unlike the predecessor it is designed with circles in two different sizes and therefore gives birth to two additional piece types: The two squares and their neighboring triangles. Additionally the concave triangles are no longer present.
The inventor uses the pseudonym "El Cubitero".
Printed in PETG plastic
Thickness: 11 mm
Diameter (small circles): 52 mm

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