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When blending a copied Group of Objects (copied by Alt-Shift-click-drag) in the Specified Steps mode, the original spine constructed by the blending operation is a straight line passing through the centers of all of my groups. How to change that?

I do not want the spine to link the centers of my groups! I want it to pass through the middle-bottom points of my groups (or custom points), because when I replace that straight spine later with a curved path that represents a surface of a ground, my objects get half-way buried underground, instead of sitting on top of the ground.

What I have tried already, unsuccessfully:

  • Selecting the middle-bottom reference-point before making my group.
  • Selecting the middle-bottom reference-point when making the blend
  • Adding anchor points with the Pen Tool to the middle-bottoms of my groups and clicking on these anchor points with the Blend-Tool (the Blend Tool turns to a little black square when it is over these anchor points).
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I don't believe what you want is possible via blends.

Blends in Illustrator follow the spine and always center the objects upon that spine.

Depending upon the nature of the blend, you might find that the Effect > Distort & Transform > Transform menu item with a set number of Copies may work for you. It's difficult to say without seeing the objects being blended.

If the nature of the blend is to "morph" objects, the Effect isn't going to do that. If the nature of the blend is merely to create iterations, the effect may work.

  • "Blends in Illustrator follow the spine and always center the objects upon that spine" - that a serious limitation! I think, I will have to artificially enlarge my group with invisible objects, so the "center" of that artificial group comes out at the middle-bottom point of the visible object group. What an ugly hack! – George Robinson Jul 12 at 20:45
  • I agree. There's always.. Blend, expand, reposition iterations. – Scott Jul 12 at 20:53
  • Do you know of any other vector-drawing applications that don't always center the objects upon the blending spine? i.e. where the reference-point for the blending operation can be arbitrarily defined... – George Robinson Jul 12 at 21:07
  • No. Sorry off-hand I don't. – Scott Jul 12 at 21:10
  • @user287001 I didn't mean for you to do that.. that answer may be helpful to someone. I was merely suggesting perhaps alteration to use a hollow box rather than duplicating the objects. I apologize. – Scott Jul 13 at 22:22

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