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Generate Zig-Zag Curves from Surfaces

#1
Noticed a bug on zig zag curve creation.  We see zig zags on flat surfaces but not on any curved surfaces as shown in your video examples.  We have tried with step and igs.  Also extracted the curved surfaces and imported those as step to test.
#2
Which video are you referring to?

Jeremy
#3
@Jeremy, The painting videos where you showcase the zig zag imports. https://www.youtube.com/watch?v=wP3r5PChAs4
#4
Hi Jacob,

The zig-zag automatic extraction you are referring to may not work well for curved surfaces.
It may be better to export your part with the curve, use a sketch, a plugin, CAM software or define your curve manually.

If you can share your sample part we may be able to help you better.

Albert
#5
(02-25-2020, 06:39 PM)Albert Wrote: Hi Jacob,

The zig-zag automatic extraction you are referring to may not work well for curved surfaces.
It may be better to export your part with the curve, use a sketch, a plugin, CAM software or define your curve manually.

If you can share your sample part we may be able to help you better.

Albert

@Albert,  I have tried multiple curved parts and only the square/cube shapes seemed to functionwith zig zag.  We were initially bringing in paths from CAM software, but were looking to use this for simple paths.  Not a huge deal for us since we have the cam software, just wanted you guys to know.  Cheers
#6
Hi Albert,

I am trying to do basically the same thing, but I am trying to create a zig-zag polishing pattern on this flat rectangle. I have gone into my settings an I have not been able to auto select the face of said rectangle. 


I know this seems pretty basic, but any help would be appreciated.


Attached Files
.rdk   KR120 R2700 CELL NO ROTARY MARKER REFACE.rdk (Size: 2.29 MB / Downloads: 61)
#7
Automatic extraction of zig-zag patterns can be done by activating this setting:
  1. Select Tools-Options.
  2. Select the CAD tab.
  3. Set the Generate zig-zag curves from surfaces: set to Direction 1, Direction 2 or both.
  4. You should then reload your STEP or IGES file.
However, I recommend you to use this addin to project zig zag patterns on a surface:
https://robodk.com/addin/com.robodk.app....ngenerator

As another option, you can also use a custom script like the one shown in this example instead:
https://robodk.com/example/Inspection-with-UR10e
And look for the script GenerateCurveGrid
  




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