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Getting Started with MakerBot by Jay Shergill, Anna Kaziunas France, Bre Pettis

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Appendix B. Glossary

Active cooling fan
The fan that cools the MakerBot PLA Filament as it extrudes.
Build plate
The surface on which the MakerBot Replicator 2 makes an object.
Build platform
The support for the build plate. The build platform includes knobs for manual leveling.
Plunger
A part of the extruder assembly. The Delrin plunger pushes the MakerBot PLA Filament against the drive gear.
Drive gear
The gear that drives the MakerBot PLA Filament into the heater.
Extruder
Draws MakerBot PLA Filament from the spool and pushes it into the nozzle, where it is heated and squeezed onto the build plate.
Extruder fan
The fan that keeps the MakerBot Replicator 2 motor cool and disperses heat from the heat sink.
Fan guard
A grill that protects the extruder fan and protects the user from the fan.
Filament guide tube
A plastic tube that guides the MakerBot PLA Filament from the filament spool to the extruder.
GCode
A computer language used to describe the toolpath your MakerBot Replicator 2 will use to build an object. GCode is converted to S3G before being sent to your machine.
Heat sink
An active heat sink that dissipates heat from the cartridge heater. It looks like an aluminum plate with fins.
LCD control panel
The liquid- crystal display in the front lower right corner of the MakerBot Replicator 2. This control panel provides status information about the MakerBot Replicator 2 and includes control menus and diagnostics.
MakerBot PLA Filament
Polylactic acid ...

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