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A cog fabbed by Adam's RepRap.

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Adam's RepRap. Note the heat lamp set up to keep the ABS plastic filament at an even temperature.

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The extruder head controller built on a breadboard.

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Side view of the screwthread extruder mechanism.

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Wiring. Lots of wiring.

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Controllers for the X, Y, and Z motors.

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Side view of Adam's RepRap. Note the heating element and extruder controllers at the bottom.

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A rather poor close-up of the heating element and extruder head.

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Closeup of the X, Y, and Z motor controllers.

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Wire's eye view of the Cartesian bot motor.

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Mark and Zach Hoeken on Saturday.

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Soldering round table.

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All of the hardware you need to construct a RepRap.

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Mark's homemade automill. Note the X, Y, and Z motor controllers at the left.

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Closeup of the motor controllers and wiring.

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Mark and Zach.

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Zach "Hoeken" Smith.