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An open-source gcode interpreter for driving RepRaps, Makerbots, and other similar CNC beasties
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ant.includes Support building on 32-bit Macs
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docs removed local cache of from repo
examples Reworked accel testing
machines minor name changes in start.gcodes
resources Touch ups to the control panel.
scripts updated the scipt
skein_engines minor typos in start.gcodes, altshell fixed for SF-50
src Update src/replicatorg/app/ui/
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unittest/machineTests converted MachineLoader to be a singleton pattern for safety, convert…
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build.xml updated build system to handle glibc behavior
changelog.txt move build percentage addition to infill rather than at layer tag
commit_template.txt updated axis switching on JogPanel to reflect new machine
contributors.txt more robust support for the Replicator 2. version numbers have shifted Changed so it doesn't give errors when run Update build scripts to allow more flexable version naming Update build scripts to allow more flexable version naming Update build scripts to allow more flexable version naming
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readme.txt testing pivotal integration [#23979541] co -> checkout
todo.txt Cleanup: fix dead links in documentation.


ReplicatorG is an open-source GCode based controller for RepRap / CNC machines.  It has 3 main goals:

1. Be as simple to use, and as easy to install as possible.
2. Be driver oriented and abstract the GCode away, allowing users to easily create drivers for their own machine.
3. Support as much of the GCode specification as possible.

For more information, see the website at:


Mac OSX:


ReplicatorG is an open source project, owned by nobody and supported by many.

The project is descended from the wonderful Arduino host software (
Arduino is descended from the also wonderful Processing environment (

ReplicatorG was forked from Arduino in August 2008.

See changelog.txt for a list of changes in each version.

People who have worked on ReplicatorG include:

Zach 'Hoeken' Smith (
Marius Kintel (
Adam Mayer (
Far McKon (
A full list of contributers is in contributers.txt

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