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Simulator didn't work for me after the 3/2018 update. Files I've simulated with great success in the past are super slow. Jerky with no continuity. Lots of artifacts. I reverted back to an early...

I managed to find my MC updates on a W7 backup image - happily.
uninstalled MC and re installed/updated to 5/2017 version.
everything back in working order now.
notably, I have not "upgraded" to...

I would like to revert to an older update of MADCAM wherein the simulator works.
unfortunately, I have only the latest (3/7/2018) update and the original software (2/2015).
Sadly I have deleted all...

Dan,
Thanks much! I had not set that up. Didn't even know that process was necessary. I'm guessing that will solve the problem for me.
SW

Routinely, if I open an existing rhino file and then select a model and a toolpath and then ask to recalculate the pre-existing toolpath I will get an error msg: "this toolpath contains no valid...

Thanks for your thoughts. Undercuts are an interesting problem indeed. A tapered bit of some kind would possibly do it as you suggested.
I think however I'm gonna take the easy way out and just...

disregard! It was a bad curve.

I'm having trouble constraining cut to region.
I select my object. Choose tool. Create box. then...

Selected a closed region curve which I have created around the outer margin of my object. I...

OK, oops. I was just being an idiot. I see how it works.

I keep trying that. I defined one tool. If I select it and change it's characteristics it warns me that I am changing an exisiting tool. At no point is it giving me the opportunity to save the...

For the life of me I cant figure out how to simply add a new tool definition.
There's no copy/paste, no dialog for add new tool.
When I click the tool icon and select the ballmill for eg, I get an...

268118
This is maybe more CNC/CAM setup problem than Rhino problem. If you know a better place to post this please chime in...
I am new to CAD and even newer to CAM (have limited experience with...

Sorry if repetitive: I am wondering if there are any problems/gotchas with using a PCI-parallel port card to output from the PC to the Gecko 540.
It's danged hard to find any older computer (that I...