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The setup for this demonstration is a Printbot Simple running on Repetier Host.

Feel free to download the safety sign.

This is a easy 5 step process to change colors, using a single extruder.

Step 1: Click the Pause Button

Click the pause button at the begging of the desired layer to change color.

Step 2: Raise Your Z Axis

Step 3: Clip Excess Filament

Step 4: Swap Out the Color

Step 5: Continue Printing

Sped up footage of second color lettering.

<p>Very cool, nicely done!</p>
<p>Thank you</p>

About This Instructable

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Bio: My main focus is on 3d printing and using Arduino boards. Secondary is using an EEG reader, for influencing controls.
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