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Going only by your description, I'd avoid the Part Design Wb altogether if all you want to do is remove a simple box shape from the model. From here you can change your mesh to a solid. stl, change to the Part WB (not Part Design) and from the pull-down menu choose Part > Create shape from mesh. Instead, after doing File > New and Importing your. Hi timesenemy, and welcome! The Part Design WB only works with solids, and your.

How do I add an imported STL object into the/a Body, so I can then use tools like Subtractive Primitive? The same No active Body error appears after trying this. I saw this, but the provided answer is too vague.Ĭreating a new Body, then dragging the imported STL object into the Body shows an arrow icon (looks like a shortcut icon), but does not appear to do anything once the object is dropped, or the mouse button is released. Please make one active (double click) or create one.' The second paragraph in the 'No active Body' error states, 'If you have a legacy document with PartDesign objects without Body, use the migrate function in PartDesign to put them into a Body.' 'In order to use PartDesign you need an active Body object in the document. I go into the Part Design view, then try using the Subtractive Primitive (Box) feature, but FreeCAD 0.18 responds with:

I want to remove a box shape protruding out. Saves allot on broken tooling / equipment.I imported an STL that was sent to me.

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Unless you using a low end commercial program like MeshCAM, (the only commercial CAM package that will run half way decent under Wine on Linux, Cam-Bam currently sucks at this), setting up a series of simple 2D CAM operations is the way to go.ĮDIT - As always, untill your 101% sure of what your doing with your Gcode, always run your work through a simulator AND/or run air cuts on your machine. For drill, pocket, outline and engraving operations, simple 2D SVG, (or DXF) files work extremely well. In fact, unless I'm doing a 3D (2.5D) contour, I don't even attempt to use an STL file at all. You do not need the 3D model to do simple drilling operations and you will be better off not using them for that, even if the program actually uses the format. WARNING- Currently, Flattened SVG does not properly export circles on the outside edge - issue #1810 - so you will need to place your circles inside a rectangle perimeter and export both the rectangle and the Array to flattened SVG. So you need to export your hole pattern as a flattened SVG file. Both Inkscape CAM plugin and MakerCAM use the SVG file format. There is also the web app Makercam that has a Drill option and includes Peck drilling. P圜Am is pretty good with 2D SVG and DXF files, but so is the CAM plug in for Inkscape, and the Inkscape CAM plugin has the DXF points option that will do your drill pattern. Same as you, after hours and hours, I finally kill it off. Hi jmh, To be truthful, P圜AM is about the worst for using with STL files, and I have no faith in Blender-CAM as I have never seen it work myself to be able to say one way or the other. Thanks for taking the look even when it wasn't really a FreeCAD issue! I'll need to follow-up on those forums to see if I'm just setting things up wrong.

I left Blender-CAM running 26 hours and it never finished (killed the process) and pycam would run several hours and then crash (except one time when I only had 2 layers or something). What made me thing there might be an issue is that I've not been able to get two different CAM programs to generate Gcode for the part and it doesn't seem all the complex to me. I wasn't sure if I might be having problems with it but don't know enough about what I'm doing to be sure (really have only been doing this for 3 months now so lots still to learn about CAD and solid modeling concepts, types and tools). Bejant wrote:What problem(s) are you experiencing with your.

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