These zoetropes create 3D stop-motion animations.
The zoetrope movement looks real thanks to carefully placed pieces and perfectly timed strobe lights.
You can buy DIY kits to make your own 3D zoetropes.
Following is a transcript of the video.
Narrator: This is a zoetrope. It takes inanimate objects, like these tiny frogs, and propels them into motion. But that movement is an illusion. And it all relies on a trick of the eye that’s been around for almost 200 years. These little machines are made by Kevin Holmes. He knows all the secrets to making them look so mesmerizing. And everything starts with these tiny 3D sculptures. Each is 3D printed and painted by hand. And all their motions are mapped out using animation software. That animation mapping helps Kevin know exactly where each piece needs to be placed on the carousel. The carousel is what will spin later on, helping all the pieces come to life. Kevin’s systems use 3D objects, but zoetropes with 2D images have actually been around for a long time.
Kevin Holmes: 3D zoetropes are a modern spin on a Victorian toy.
Narrator: They were built as early as the 1830s and sold as toys by 1867. These ones had images pasted around the inside of a cylinder. When viewers spun the cylinder and looked through tiny openings, those images danced around before their eyes. Kevin’s zoetropes are a bit more complex.
Kevin Holmes: It’s real-time stop-motion animation with 3D printed figures and strobe lights.
Narrator: Getting the strobe lighting right is the most important part of this whole operation.
Kevin Holmes: The strobes are timed so that each animation segment replaces the previous segment as the carousel rotates.
Narrator: Each segment has a character in a slightly different position. And the light illuminates the carousel only when the characters reach a new position.
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Source:: Business Insider