The folks over at Inkscape have developed a very good vector editing software program that also allows for extensions. We have updated and modified the original laser engraver plug-in to allow for multiple versions of on and off commands for different printers and CNC machines. We now have a Github site for the development of the plugin that contains the newest version 1.0 release. If you are installing the newer version of 1.0, I would suggest making a clean install or you might run into problems. Official Github J Tech Laser Tool repository: Just uninstall your older version before upgrading. To download Inkscape: Click here to download the plugin: J Tech Laser Tool Plugin V1_10 for inkscape 0.91 To download Inkscape: Click here to download the plugin: J Tech Laser Tool Plugin V 2_2 for inkscape 0.92 To download Inkscape: Click here to download the plugin: J Tech Laser Tool BETA Plugin for inkscape 1.0 Please put all comments for errors in the BETA version of the inkscape 1.0 plugin in the Official Github site. This plug-in will convert a path object in inkscape into a G Code file for use in your laser upgraded machine. zip folder into the “inkscape\share\extensions” folder. If you are on a mac, here is how to install the extensions: Overview Once it is there it will show up under the “extensions” tab in inkscape. The new plug-in allows for multiple commands for laser on and off for all the different versions of printers as well as the ability for multiple passes for cutting. Laser Power: If you have PWM control, then you can adjust this.Laser Speed: The speed of the machine when the laser is ON in mm/min.Travel Speed: The speed of the machine when the laser is OFF in mm/min.Laser OFF Command: The command for turning OFF the laser.Laser ON Command: The command for turning ON the laser.Here is a description of the features of the plug-in. For J Tech firmware and most 3D printers use a number between 0 and 255 (255 being full power). For GRBL 0.9 and 1 standard, use a number between 0 (12000 being full power). Power On Delay: This will turn on the laser and wait to move until the delay is complete.If you don’t have PWM, keep at max power (either 255 or 12000). It is used to heat up the material and initiate the burning process. Pass Depth: This will move Z axis down by this amount for each pass.Passes: If cutting, this will repeat the entire path by the number of passes.Delay in ms for 3D printers and seconds for GRBL. All Units: Change the units to either mm or inches.Add numeric suffix to filename: Adds a number to the name in case there already is a file with the same name in the directory.Directory: The directory to store the file.For example, 3mm piece of material with 3 passes might use 1mm per pass to cut all the way through. Live preview: Shows the path being generated.This will make everything in inches or mm. We have made some instructions on how to use Inkscape for engraving text and other objects and using the plug-in to generate the G Code. Click for Inkscape TutorialĬheck out the tutorials and check back to see if we added more! We have also shown how to import images to make outlines of them to engrave. Known inkscape bug: Lines going down from the drawing to Y0 location. If you have lines in your engraving, then the output G Code had a problem with some of the processing. The problem is that there are a few lines that the space didn’t get put in between the Y coordinate and the feedrate. To fix, just use a text editor and “find and replace” your feedrate command and put a space before it. Forth axis A is knife’s rotation.Example: If your feedrate was 100, then find “F100″ and put a replace as ” F100″. Export to Gcode for plotter with tangential knife.Select and remove small paths (area artefacts).Round floating point values to specified precision.You can create custom post-processor by writing down the commands or choose from the list of default post-processors. Apply transforms according to arbitrary points.Tools can be managed by Inkscape’s standard procedures (copy, delete, assigned to different layer).Defining different tool’s parameters (diameter, feed, depth step, penetration feed, personal Gcode before/after each path, cutters shape, personal tool’s changing Gcode).Building trajectory according to the cutter’s shape. Two different computation functions for fine cut.Numeric suffix is added to generated files to avoid overwriting.Export Gcode in parametric of flat form.
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