The actual tooling specifications and speeds will depend on your setup. I won’t go into great detail on actually using MakerCam as in the top right corner of the MakerCam window is a link to a great tutorial page to get familiar with the program. Browse to where you saved your SVG and click open. Once there you can click on File > Open SVG File. MakerCam is a flash-based 2.5d CAM and nesting program that outputs standard G-Code for use in CNC fabrication devices and runs directly in your browser by going to. Now we have a precise drawing of what we are wanting to cut that can be opened in MakerCam.
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Select inches or millimeters depending on what you are using. svg file tag at the end of the file name. Then name the file as you wish and also add the. The first thing to do is click the “…” button to determine where to save our SVG file. This will ensure that both interior holes for the bolt remain concentric.Īfter making sure all of the faces we need are on the same plane (they don’t technically have to be, it just makes things easier) we can select the faces to export and click on our Export Faces To SVG plugin (download link at the end). The rise block will be located in a shallow recess on the knob. It’s not necessary to actually create a 3D model for this step as you are really only going to be using one plane to get the faces from. I made the model in 3D for illustration purposes only. The material I am going to be cutting is 3/4” cheap CDX pine plywood. It will also have a riser block to elevate it slightly. For this example project I am going to be making a 3” 5 point rounded star knob. The benefit of designing in SketchUp is its incredibly easy to work with and it has great accuracy.
Designing exactly what you want in SketchUp I also have been playing around with a SketchUp plugin to directly generate G-code in SketchUp but that will be for another day. There might be some better programs out there that can do it all but the main objective here is to get control of both the design phase and the tooling phase without spending money on expensive programs. At the end of this article I will have download links for the programs and plugins used in this workflow. Today I’m going to show you a simple workflow that can be used with SketchUp, MakerCam, and Universal G-code Sender. There are many ways to not only transfer the G-code to the CNC but also to actually generate the G-code. The actual information that a CNC machine uses to determine where to move is called G-code.
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