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Planar Copter
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The 2D-equivalent of one corner of a Curvy Copter.

Planar Copter is a 2D twisty puzzle that's equivalent to one corner of a Curvy Copter. Although it has moves equivalent to the curvy copter's jumbling moves, the Planar Copter is not a jumbling puzzle. It could also be seen as one corner of an edge turning hexagonal lattice.
This puzzle prints fully assembled, which actually seems to work quite well - the pieces tend to be stuck together at first, but with a bit of work they can be separated, and with a bit of breaking in it turns very well indeed, and can even cut corners.
It's an easy puzzle if you don't make the "jumbling" moves, but with them there's some challenge. You can't do the most obvious jumbling algorithms from the Curvy Copter, because those require four grips, so you have to think a bit more about how to use jumbling to move the pieces around. There are also some parity / false equivalency type situations, in which all the pieces seem to be in the right orbits, but you still need to use "jumbling" moves to get them into place. Additionally, you have to use the jumbling-but-not-really-jumbling moves to reorient the corners.
It was printed on an Anycubic i3 Mega S in blue PLA. The stickers were cut on a Silhouette Portrait 2 cutting machine.
Width: 83 mm
Thickness: 17 mm
Weight: 49 grams



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