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Split a single mesh object into two?

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Alex Last
Split a single mesh object into two?
on Jul 23, 2015 at 1:07:06 am

Hi there,

I've got this object, a basic windmill, and I want to animate it so that the blades turn. Unfortunately the blades are not a separate object from the main support structure. What's the simplest way to split the blades from the support so that I can turn the blades on their own?

Here's the project file (it's small)

http://www.mediafire.com/download/8ccjx7612k8cdji/windmill_mesh.c4d

Any help much appreciated.


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Brian Jones
Re: Split a single mesh object into two?
on Jul 23, 2015 at 1:47:17 am

select the blades polys in Poly mode (and whatever else you want to separate) and run the Split command (right-click or Mesh/Commands/Split) - that makes a copy of the polys in a new object but leaves the originals in the old object - so either delete the polys in the old object or split all the parts and hide or delete the original


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Alex Last
Re: Split a single mesh object into two?
on Jul 23, 2015 at 11:11:18 pm

Thanks!

Now I just need to rotate the blades around the centre node -- unfortunately selecting all three blades and just rotating them doesn't work because they aren't anchored to that point... any ideas?

I mean if I move them a tiny bit along with the move tool, then rotate them a tiny bit, then make a keyframe, then do that over and over, it kinda works. Just a bit painstaking. It also looks pretty terrible. If only you could designate a curved path or something.... or anchor the blades around something


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Alex Last
Re: Split a single mesh object into two?
on Jul 23, 2015 at 11:25:34 pm

Nevermind, i figured it out!

I basically made the cylinder at the top (which the blades are connected to) into a single object along with the blades. Then I used "select connected" on all the points of the cylinder, then I went to Mesh > Axis Center and made sure that 'Action' was set to "Axis to" and Center was set to "Selected Points" then I hit execute. Now when I use the rotate tool, they all turn on that point. Perfect.

Thanks!


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