by Bundes-Metal-Minister, published

G-Code-Optimizer by Bundes-Metal-Minister Mar 20, 2013

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Free Software for optimizing g-code-files (i.e. from Axon 2)
main features (NEW: Version 1.4 (10/2013)):

  • Text-view of g-code (with comments for the commands)
  • 2D-view of g-code (for each layer)
  • de-raft
  • cooler always on
  • additional z-moves (to prevent strings)
  • check printer area
  • head-cleaning (with optional brush)
    and new:
  • Edit g-code-text
  • resizeable 2D-View
  • finally send free info-SMS

NEW (06/2014):

  • check extruder control (e.g. does extruder heat up before printing...)


I use Axon 2 and was not very happy with the results.
So I started to develop a little software, that is able to optimize the g-code-files (i.e. *.bfb).
The software is still experimental, but everyone can download it from: http://www.g-opti.com
The g-opti-software has the following features:

  • derafting (first 2 layers - raft has to be of different material than object!)
  • adding a 'start-string'
  • keep cooler always on
  • reduce speed of 'fast-movement'
  • add 'Z-move' whenever the extruder moves to a new position
  • add comments to all g-code-commands (expt. "G1"-moves)
  • send an SMS to your mobile phone when the optimizing-process is finished
    In future there will be these additional features:
  • setting the temperature for each of the first two layers
  • setting the extruder-rate for each of the first two layers
  • setting the temperature and the extruder-rate for the last layer
    Actually the software is only available in english and german language.
    BUT ATTENTION: the software is experimental !!! So check out the result-file to avoid damage to your printer !!!
    Everyone uses the software on his own risk !!
    Happy printing

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Do you plan on porting to Linux or releasing the source code?

Actually not - no time for this ;-)

I'd be interested in an English version. Also, do you think this could be used on G-code from ReplicatorG?

Hi anewsome,

now you can choose the language (english or german).
I'm still working on the Replicator-G-code ...


I have no G-Code from ReplicatorG.

Just send me one (smal ;-) file an i will test the software...

The english version will come soon...




now i got the Makerware-Software and tested it: actually it does not work with G-Opti...I'm working on this ...

Freeware but not open source? Or do you plan to make the sources available?


no plans so long...may be open source in future..but actually I dont know...