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Activity Forums Maxon Cinema 4D Cutting up a logo like Cake…

  • Cutting up a logo like Cake…

    Posted by Ryan Kehn on March 15, 2010 at 10:39 pm

    Hey Everybody!

    So first off, this post has nothing to do with modeling, animating or eating cake. It’s just the best way I can think of to describe my problem.

    I’ve got a complex logo (yes, it’s a Denver Broncos logo, please save the Brady Quinn jokes) and I’m trying to cut it into cubes (as one would a cake) so that I can then animate the different cuts into a sort of Audio Level type effect.

    Problem is, I can’t figure out how to cut up the object without creating a ton more polygons than are already there and then figuring out how to group them beyond that seems like quite a headache.

    I’ve attached some screen shots to give you all a better idea of the model i’m working with (the grid/cut lines were superimposed with photoshop to help illustrate the concept).

    Any suggestions would be greatly appreciated!

    If you have any questions, let me know!

    Thanks,
    Ryan

    Adam Trachtenberg replied 16 years, 2 months ago 2 Members · 1 Reply
  • 1 Reply
  • Adam Trachtenberg

    March 16, 2010 at 5:03 pm

    That’s going to be tough with such a dense model. I would try to get a lower poly version if at all possible.

    There are a couple ways I can think of to do this.

    1. Laborious but better result:

    * scale the model so that, from a top or front view, the workplane grid fits the division you’re looking for (or alternatively, create a grid of splines);
    * in poly mode, start the knife tool in line mode;
    * turn on grid or spline snapping;
    * make sure restrict to selection and visible only are unchecked in the knife properties;
    * use snapping to cut the grid edges into your model;
    * go into edge mode and select the path selection tool;
    * use the tool’s simple edge loop mode to select the far-right vertical and top horizontal edge loop (shift select);
    * use Selection>Fill Selection to select the polygons in the top-right quadrant;
    * use Function>Split to separate those polygons into a new object (and delete them from the original object);
    * use Bridge and “close polygon hole” to build the interior faces;
    * repeat for whole object….

    2. Less laborious but less ideal, and maybe impossible with your present poly count:

    * Create a plane primitive where the edges represent the grid pattern of your choosing;
    * make the plane editable and select all polygons;
    * run the extrude inner command with groups unchecked and a small offset (like .1);
    * hit the delete key to remove all of the interior polygons;
    * that should leave you with a planar grid pattern;
    * select all those polys and extrude them deep enough so they can pass through both sides of your logo (caps option turned on);
    * now use a boolean object to boolean subtract that grid from your logo object;
    * make the boolean editable and use functions optimize to weld points where possible, and functions>explode segments to break the resulting object up into fragments.

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