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Arecibo 3
Above:Solved
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Three circles, all intersecting with each other and turning in steps of 120°

Unlike the version with 2 circles, which only allows turns every 120°, in these versions the outer circles can interact with each other with turns every 60°, since a smaller intersection group of pieces is generated than that of 2 circles which causes new mixtures of pieces that end up generating blockages (see image 2).
It is precisely because of these locks that the plus version emerged (see the seperate entry) in which cuts have been added to the large triangular pieces to partially unlock them. If it were fully unlocked, the 3-circle Sirius would emerge, which the designer presented seperately.

The inventor uses the pseudonym "El Cubitero".
Printed in PETG plastic
Thickness: 11 mm
Diameter of circles: 80 mm

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