Online since 2002. The most comprehensive site for all around twisty puzzles.

Dmitry Andreev
Duplex 3Two circles of marbles that would not intersect if it weren't for the twist of the Duplex puzzles.
Eight PlusThree intersecting circles turning in steps of four, two and eight.
Fifteen in circlesThree intersecting circles with fifteen pieces and one hole.

FomalhautTwo circles with different degree of rotation in a puzzle that is still doctrinaire.
ForamenCombines two intersecting circles with one plunger.
GacruxTwo intersecting circles with eightfold turns but not in steps of 45°. A jumbling-only puzzle.

GienahRashkey 3 (and 2!) in a puzzle with 120° turns.
Gienah 2The Gineah with different cutting depths.
HadarThree intersecting circles that return with steps of 2, 5 and 6 but still being doctrinaire.

Irregular Puzzler 1.0Two intersecting circles with irregular angles between steps.
Irregular Puzzler 2.0Two intersecting circles with irregular angles between steps.
Irregular Puzzler 2.1The Irregular Puzzler with a third additional circle.

Irregular Puzzler 2.2The Irregular Puzzler with a third additional circle.
Irregular Puzzler 2.3The Irregular Puzzler with two additional circles.
IzarFour intersecting circles in a jumbling puzzle. Two turns in five steps. Two in irrational angles.


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