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Sink your teeth into this mechanical 3D printed ‘Saber’ inspired by Disney .

by • January 15, 2016 • No Comments

Jan 16, 2016 | By Benedict
When they aren’t occupied building beloved blockbusters such as Frozen and The Good Dinosaur, the technical experts at Disney at times sink their teeth into a various kind of animation. Disney Research, the scientific arm of the film giant, last year turn it intod a 3D printable robotic turn it into tool, which enabled users to rapidly turn it into animatronic “creatures” with realistic gaits. Inspired by the 3D printing endeavors of Disney Research, particularly its 3D printable “Cyber Tiger” version, Oklahoma based maker Greg Zumwalt set of turn it intoing his own 3D printed mechanical creature.
The 3D printed Saber, fruit of Zumwalt’s labors, is the many “mechanically detailed Thingiverse thing” of the maker’s 3D printing career, but the 2nd to be inspired by Disney’s Computational Design of Mechanical Characters video. The talented maker’s initially Disney-inspired project was Perseverance, a 3D printed mechanical version based on the story of Sisyphus, in which a man endlessly pushes a boulder up a hill, just to have it fall back down every time. Saber is less a reflection on the futility of life, additional a celebration of wicked-cool scary animals. The 3D printed beast stands at almany 204mm (8”) tall, and 304mm (12”) long when fully extended.


Zumwalt turn it intoed Saber via Sketchup Make 2015, as well as his own software for generating the framework, gear trains, cam, cap, axle and arm motions. The prototype version was printed in PLA with a Makerbot Replicator 2 3D printing device, at a .2mm layer height, with 2 shells and 10% infill. Subsequent versions were 3D printed on an Ultimaker 2 Extended via Cura “standard” settings. To animate the 3D printed version, the maker utilized a tiny motor, coaxial power jack and 3.0 Vdc power donate.
The Disney Research video which inspired Zumwalt to turn it into his two astounding 3D prints was a demonstration of a one-of-a-kind interactive turn it into process. Not having access to the software itself, Zumwalt instead tried to replicate the example turn it intos via his own mechanical and mathematical skills. “We turn it intod an interactive turn it into process which allows for non-expert users to turn it into animated mechanical characters,” Disney Research explained. “Given an articulated character as input, the user iteratively turn it intos an animation by sketching motion curves indicating how various parts of the character should move. For every motion curve, our framework turn it intos an optimized mechanism which reproduces it as closely as possible.”
The mechanical 3D printed beast has been racking up the Likes on its Thingiverse page, where big cat lovers can download the STL files and 3D print their own versions. Saber is dedicated to the late father of Zumwalt’s wife, who passed away during the Christmas holidays.

Posted in 3D Printing Application

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