A tetrahedral 3x3x3 without one half of the corners.

• Inventor: Yukang Wu
• Mechanism: 3x3x3
• Patents: Unknown
• Producer: Mofangge
• Year: 2018
• Original Price: $12.00 USD
• Current Price: No Data

The first Reuleaux Leaf Tetrahedron was printed in PETG plastic on the Craftbot Plus FDM printer by Kevin Uhrik. This puzzle is a shape transformation of a 3x3x3 similar to a Mastermorphix, but the curved cuts hide four of the corners. See images 1-4.

In December 2017 a flat version of this puzzle (see image 5) was presented but the first working example was eventually implemented by Kevin Uhrik in May 2019.
A few days later the stickerless version of image 7 followed, also by Kevin Uhrik.
Yukang Wu (who announced the flat version) is mentioned as inventor here because of an explicit wish by Kevin Uhrik who would have been named as inventor under normal museum policies.
Edge length: 60 mm
Weight: 77 grams

This flat version finally made it into mass production under the name "Clover Pyraminx. See images 8-9.

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