HOWTO Make a 3D printer out of Legos

By at 12:23 am Monday, Sep 1

Here's an ambitious (and excitingly incomplete) Instructable from "Gene Hacker" explaining how to build a 3D printer from Legos.

A polar printer is a printer whose principal axes, or how it can move, are radius(in and out), angle(spin clockwise/counter clockwise), and as opposed to a Cartesian printer whose principal axes are X(left/right), Y(up/down). In other words, it moves just like a polar coordinate system.

So why did I make a polar 3D printer instead of a good ol' Cartesian 3D printer?

1. I didn't have enough Legos to build a Cartesian printer.
2. I hope to eventually add a 3D laser scanner to it so I can scan in objects and send them to another printer somewhere else in world. Making sort of a 'teleporter'.

Build a Polar 3-D Printer from Legos (via Beyond the Beyond)

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Cory Doctorow

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