benpuzzles | Gemstone II @benpuzzles | Uploaded October 2015 | Updated October 2024, 12 hours ago.
This is a deep-cut face-turning octagonal dipyramid. And it's REALLY hard to solve. The sequel to the Gemstone I.
This is a deep-cut face-turning octagonal dipyramid. And it's REALLY hard to solve. The sequel to the Gemstone I.