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When the Halftone option is turned on the image displayed in K40 Whisperer will be shown in grayscale. In order to generate the halftone image in K40 Whisperer the Halftone setting in the Raster settings needs to be selected. The truck photo came from Wikimedia Commons: Madrid_-_Fargo_Power-Wagon However, grayscale can be simulated by creating a halftone image (dithering) of the raster image.īelow is an example of an image that was engraved with the Halftone (Dither) option turned on in K40 Whisperer. The stock boards that work with K40 Whisperer are not able to control the power output by the laser. In addition to red, blue and black, you can also do grayscale with K40 Whisperer. Halftone (grayscale) Images with K40 Whisperer Open the SVG file you just saved in K40 Whisperer. Within Inkscape select 'Save' to save the design as an SVG file.Ĥ. Adjust the size of the document to match the area you want to export (You can use 'File' - 'Document Properties' - 'Resize Page to Content' to make the page the same size as your design)ģ. (Raster Engraving is not supported for DXF files.)Ģ. Use BLACK and other colors to indicate raster engraving. Use BLUE lines to indicate vector engraving.

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K40 Whisperer Manual: K40_Whisperer Reference Manual There are alternate 3rd party Mac instructions here:

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I don't have experience installing software on a Mac.) (I can't help with Mac specific questions.

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Mac: Setup instructions for Mac are included via the README_MacOS.md file in the 'K40_Whisperer-x.xx_src.zip' file. Linux: Setup instructions for Linux are included via the README_Linux.txt file in the 'K40_Whisperer-x.xx_src.zip' file. Installation Instructions: Windows: Setting up K40 Whisperer on Windows (Right click on the link and select 'Save target as' or 'Save link as')

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The problem only occurred if the user was prompted for additional scaling information.įor the full history look at the K40 Whisperer Change Log Fixed scaling problem when loading an SVG file with 'Reduced Memory Use' enabled. This should not visibly affect the output in most cases.

This option does reduce the resolution of the data coming from Inkscape 500dpi vs 1000dpi. This can be enabled to allow for larger designs to be loaded in K40 Whisperer or just increase speed. Should reduce pauses for higher speed engraving. Removed redundant data sent to laser during raster engraving. Now automatically removes zero length features from input files (caused unnecessary movements before) Fixed problem with right mouse click motions that occurred when using 'home in upper right' If a laser works with Laser Draw it should work with K40 Whisperer. The best way to determine if a laser will work with K40 Whisperer before buying is to check if the laser comes with LaserDRW (Laser Draw) software. (The controller board is the circuit board the USB cable plugs into)Ĭontroller Boards Known to Work with K40 Whisperer: You can also look at the markings on the controller board. To see which board you have you can go to 'Properties' from the LaserDRW (or CorelDraw) Engraving Manager window and look at which board is selected for the 'Mainboard' option. The boards that work with K40 Whisperer are made by Lihuiyu. Only boards that work with LaserDRW will work with K40 Whisperer. The Halftone option needs to be selected under 'Raster'-'Settings' to enable halftoning. Converts gray scale images to halftone images to simulate varying levels of gray (i.e. (If you cut the outside first the part might drop out of the stock material) Performs cuts on features inside of other features before cutting the outside features. In DXF files everything on layers that have the text 'engrave' in the layer name are interpreted as vector engrave. Raster Engraving is not supported for DXF files.

Everything else is interpreted as vector cut(red). In DXF files blue paths are interpreted as vector engrave(blue).

Everything else is transfered as a raster image. In SVG files blue and red paths are interpreted as vectors for vector engraving and cutting. Splits input design based on color formating (red,blue)

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K40 Whisperer is a free open source program released under the GNU General Public License (GPL). K40 Whisperer does not require a USB key (dongle) to function. K40 Whisperer reads SVG and DXF files, interprets the data and sends commands to the K40 controller to move the laser head and control the laser accordingly. K40 Whisperer is an alternative to the the Laser Draw (LaserDRW) program that comes with the cheap Chinese laser cutters available on E-Bay and Amazon. Control software for the stock K40 Laser controller