Note : If the usb cable is not plugged in or faulty or a 2 wire usb charger cable, inkscape will produce an error message saying “serial out of bounds”.ĩ Turn on your water pump and the power to your K40.ġ0 Select Applyon the K40 Laser Cutting Tool extension window.ġ1 You should see your K40 spring into action, home to zero (top, left corner) and laser cut a circle. You can later use this file by controlling using a separate G-code sender such as CNCjs.Ħ For our example, select Stream Itand Homing.ħ Place your acrylic or plywood in your K40 and close the main lid.Ĩ Check the Gerbil is plugged into your computer via USB. Stream it: If the ‘Stream it’ option is blank then a g-code file will be saved to your computer.Homing: The Homing option lets you start from a homed zero (the laser head goes to the K40 zero position and limit switches are activated) so Gerbil knows its absolute zero point.NOTE: you need to enter a value in the directory field!!!! This is where the conversion file and g-code output file will be stored. This window provides you with options for generating the g-code which controls your K40, where you can either save the g-code to your computer as a file, or stream it to Gerbil for instant cutting. This step is necessary to create G-code.ĥ Now enter the Gerbil custom extension program by selecting on the top menu Extensions/K40 laser cutting tool. To draw a circle select the circle from the toolbar on the left.Ĥ Select the circle, then press Ctrl+Shift+C (or on the top menu select Path/Convert Object to Path) to obtain the shape’s path. Under File set the Document Properties to A4 landscape.ģ Draw the shape you want to laser cut, in this example, a circle.
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