For 2D polylines make sure that the elevation is set to 0 (Zero). ![]() Select each entity you are having a problem with, and check out its properties.įor lines, check that the Z value of the start and finish points is set to 0 (Zero). ![]() Type ‘PROPERTIES’ at the command line to open the properties palette. If you are using AutoCAD LT, you can use the properties palette as a detective tool to help you see what’s going on. ‘Flatten’ is an AutoCAD express tool, so it isn’t available to AutoCAD LT users. You can use the ‘FLATTEN’ command to set all the Z coordinate values to ‘0’. Geometry that does not have a Z coordinate of Zero, when it really should do, can massively confuse the CAD to CAM process. Copying the relevant geometry to the correct layer is a simple as point and click. To make this easy, use the ‘COPYTOLAYER’ command. Create a Layer in your DWG file for CNC paths and copy the relevant geometry onto it. Place your geometry on a ‘CNC’ layerīe nice to your CNC programmer. ![]() ![]() Here are a few AutoCAD tips, tricks and tools that you can use to clean up the 2D geometry in your DWG files ready to bring into your favourite CAM programming software. From CAD to CAM – do you work with a CNC programmer? or maybe you are a CNC programmer!
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