Blend vs Morph differences

[DarthBane55]

Hi, could someone give me an explanation of what the difference is between the toolpaths Blend and Morph please?

Personally i have never been able to generate anything out of Blend, so I always use Morph and it works pretty good.  But I know people here use Blend successfully.  I am kind of hoping that Blend would be a better version of Morph, but really, I can't make it work.  As you get to steep areas, Morph shows it's weakness, the stepover is calculated from the tool axis view point, instead of being a real constant stepover on the part (like flow can do).  I am hoping that Blend is like Morph, but with constant stepover... is that it?

Thanks for clarifying this for me!

[DarthBane55]

Alright, after all this time, I decided to post my question, and then I found the answer 5 minutes after I posted, gotta love it.  

So for those who would be interested to know the answer, blend is a constant stepover, so it is better than morph in steep areas.  It is sort of doing the same thing, but it works differently.  With morph, the drive curves that you draw with a sketch are the limits of where the toolpath stops, it will machine whatever is between the 2 curves.  This allows to create funky patterns and get creative.  Blend on the other end, you must pick the drive curves as curves that are part of your model.  So it forces you to split you model when you have funky geometry, to get a nice pattern.  But the path is smoother and constant stepover is the magic here.

I guess they both have their use, but I was trying to do blend the same way i was doing morph, so creating sketches for the drive curves, and that was my mistake.  

The curves also must be part of the surfaces you pick as drive surfaces (with blend), which is not the case for morph.

[oleg.tikhomirov]

@DarthBane55 Yes. You're absolutelly right. Blend allows to machine steep and even undercut areas with constant stepover along drive surface which can't be done using Morph.

Blend (lollipop tool)

Morph  (lollipop tool)

Guide curves for both operations

[DarthBane55]

Thank you @oleg.tikhomirov , was not aware that we can also do undercuts!  I feel this toolpath will come in handy for me in the near future!