To split the geometry into the separate profiles, right-click on the sketch in the Graphics window and choose “Split Sketch”, within the sketch’s sub context menu . It’s good to see people are discovering HeeksCAD and HeeksCNC and doing tutorials about it. Neil did some tutorials about using HeeksCAD. As the plans are to port heekscnc as a tool path generator for FreeCAD, Can I did see a YouTube video of a FreeCAD tutorial where the user.

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HeeksCAD is barely 2 years old and growing rapidly so documentation is a challenge.

RepRap Log Phase: HeeksCAD, my favorate Open Source CAD/CAM software

Open that and you’ll see that the Parser class has lots of interesting code for backplotting. No, splines can’t have their knots added or deleted. His blog is at http: Articles needing additional references from April All articles needing additional references Pages using Infobox software with unknown parameters.

G-code varies somewhat between machine controllers so the first thing you should do is select a post-processor that matches your machine CNCInterface. I can see that you are an expert at your field!

The script has access to the associated geometry of the sketches and the resulting g-code will be incorporated into the final output.

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Newer Post Older Post Home. Figure 8 – The CAM interface.

If a function you need doesn’t appear in your postprocessor but does appear in either nc. Users accept that there will be bumps and snags and report bugs in ways that are helpful. Figure 10 – 3D surfacing. Figure Add operations by selecting the sketches or solids and adding the operation from the machining menu. Feed, mist, drill, rapid, use metric or imperial, etc, etc etc. HeeksCAD seems to be a great tool.


It’s scanning through the sketch and trying to find circles. If you have the ‘Program’ window visible you’ll see some programming code appear in it when you post-process. The backplot is the colored lines showing where the tool will move.

This can be frustrating if you’re used to the polish that comes with commercial solutions. When everything looks good, hit the G0 button or click ‘post-process’ in the machining menu to generate the g-code. Selection of parameters for profile and pocket. Two or more sketches can be combined in a similar way. For my example, I’ll base my new post off the emc simplified emc2b.

This puts the elements into a sequential order to make machining possible. The definition of open-source means you, the user, get heeksfnc than just the compiled binary version of the software. These are the project videos that I have shot so far, or made more than once and ready to film. The ‘helper’ libraries These guys do the heavy lifting.

Heekscnc – FreeCAD Forum

To change how your postprocessor behaves you’ll be editing these files, particularly the non-backplot file emcSlip. Next, it runs that script. I haven’t had a chance to improve SketchSolve for some time now, but I think that you will find it very useful in it’s current configuration.

Next, it begins to iterate through the operations in the order they appear in the Objects tree. Jaco Vosloo May 11, at 1: Me-MySelf March 12, at It’s the boss of everything that follows.


If you compare HeeksCad with google-sketchup how much do they have in common? In many ways the user interface is still rough around the edges and even difficult to use but it has surprising power under the hood. Under the hood, HeeksCNC backplotting is just a little more complicated. Open-source CAM application bares all.

This step can be done in isolation as well by clicking tutoroal ‘run python script’ menu or button. Bill Smith, the trial version will create g-code fine, except for some annoying comments at the top which shouldn’t stop the g-code running. Opening it, you’ll probably see that it’s mostly empty. I won’t publish that comment to avoid yourself from getting spammed later on. Alpha October 25, at 9: Before HeeksCNC can produce usable g-code it needs to know a bit more about your machine configuration.

Solids, as you would expect, can be further edited by filleting or chamfering the edges or by combining them with boolean operations to make more complex shapes. This lets the modeler change aspects of the design simply by changing the underlying parameters. This page was last edited on 24 Decemberat That should work perfectly. There are many different kinds of constraints heelscnc already including: Operations will be executed in the order they appear in the Objects tree.

Figure 16 – A helical profile generated from the python Scriptop.