Motor Powered 3D Printed '28 Geared Cube' - Printed Fully Assembled





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Published on May 31, 2013

Available to buy here: http://shpws.me/nA3n

I have now made the '28-Geared Cube' autonomous using a 6 volt battery, 6 volt geared motor, reed switch and small magnet, small length of stiff wire, piece of fibreglass sheet, some Kevlar thread, a couple of washers and some electrical wire.
When the small magnet is placed near the reed switch, the motor starts which rotates just 1 gear which rotates all 28 gears.
This design is a proof of concept and test of 3D printing's ability to print complex mechanical objects in 1 print with no assembly required (what you see is how it left the 3D printer, with all the mechanical parts working as one piece) by printing a complex cube housing 28 gears - this is explained further down in the discription.

This design was 3D printed by Shapeways.com in the 'White Strong and Flexible' material and you can purchase a copy that Shapeways will 3d print and deliver to you worldwide here: http://shpws.me/nA3n

This is a steampunk themed desk toy consisting of a cube with 28 gears, all of which rotate in a mesmorising pattern by just rotating one of the gears. In the middle of the cube is a tray that can be used to hold paperclips and other small things. This object is 3D printed as one piece, already fully assembled when it leaves the 3D printer!

The design also comes with a stand so it can stand up on a desk and a lockable lid which is placed on the top of the cube and is locked and unlocked by rotating the gears (the lid locks at the centers of all 4 sides below the gears in the lid). Interchangeable mechanical add-ons may be designed in the future that can be put in place of this lid and driven by the rest of the cogs.

How it works...
This design consists of a cube with 28 gears, on each of 4 sides of the cube are 7 gears: 2 large outer ones that move in opposite directions, the outermost gear has handles on it so it can be easily rotated, the motion between the 2 large cogs is reversed due to 5 smaller gears set within the cube in a similar layout to a planetary gearbox to reverse the gear's direction on each of these 4 faces. Each of these sets of gears on the 4 faces are all liked through the big gear on each of the 4 faces meshing at 90 degrees with the big gear on each of the 2 neighboring sides. This means that if any one gear is spun, they all spin in a memorizing pattern.

A copy can be purchased here: http://shpws.me/nA3n


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