This product was first created by German designer Fritz Gruber in 1993 and applied for US patent. The patent expired in January 2002. There was a mass-produced version, but it has been discontinued for about 20 years. There should be no legal and moral risks, so it is directly reproduced here: TP Refer: https://twistypuzzles.com/app/museum/museum_showitem.php?pkey=1024
Reminder: This Cube was glued when assembled, so it is recommended to NOT use it violently when solve it. 3D Printed, processing time around 7~15 days.
Key Performance Features:
Historic Puzzle Design: Originally designed by Fritz Gruber in 1993, offering a unique nostalgic and geometric challenge.
FDM 3D Printed Construction: Meticulously crafted using durable FDM printing technology.
Collector's Piece: A faithful recreation for puzzle enthusiasts looking to experience a classic design.
Product Specifications:
Maker: Xu Item Name: Roundy - Charlie Puzzle Configurations: 4-90, 3-90, 3-60, 3-90 Size: Diameter 7.1 cm Weight: 58.1 g Material: FDM Printed PLA Processing Time: 3D printed, processing time around 7–15 days.
This cube is of average quality; care must be taken not to break it during rotations.
However, its appeal lies in the originality of the solving; it's rather unusual and requires some thought.
This puzzle will appeal to collectors who handle puzzles with care.
