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Hollowing Your Model with ZBrush Dynamesh
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TOPIC: Hollowing Your Model with ZBrush Dynamesh
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#218
Hollowing Your Model with ZBrush Dynamesh 9 Years, 1 Month ago message Karma: 10
Dynamesh is a great re-meshing tool added to ZBrush 4R2. You can use Dynamesh to hollow a model for 3d printing in a few steps. Without making a separate low-detail mesh to fit on the inside.

1.Set your mesh to the highest Sub-D level. Delete all lower Sub-D levels.

2.Adjust your Dynamesh options to smoothing: "0" and "1024" resolution.Click the Dynamesh button to re-mesh your model.

3.Hold the (Alt)key while inserting a cylinder into the mesh with the insert cylinder brush. Put the cylinder where you would like a hole in the model.

4.Select a thickness with the slider under the Dynamesh button. Make sure the Dynamesh options are set to smoothing "0" and "1024" resolution.

5.Clear all masking.

6.Click the "Create shell" button and wait. Dynamesh takes a few minutes depending on the complexity of the model.


This removes the (Alt) inserted cylinder leaving a hole in its place while hollowing the mesh at the same time. Click Undo if it the walls appear too thin or too thick and try again. Be patient it takes a few tries at different thicknesses to get it just right for each model. If your model has thin parts such as legs, arms and neck. I would recommend a thickness setting that keeps those parts solid for rigidity.
Kraftwurx Designs
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Last Edit: 2013/12/04 13:55 By Kraftwurx Designs.
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#359
Re:Hollowing Your Model with ZBrush Dynamesh 8 Years, 12 Months ago message Karma: 0
Using the insert brushes combined with dynamesh it is easy to create holes in designs as well I will post a tutorial in a few days or well there is one out there I will hunt it down and post the link!
digital3dart
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Last Edit: 2012/04/23 10:29 By Kraftwurx Designs.
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#361
Re:Hollowing Your Model with ZBrush Dynamesh 8 Years, 12 Months ago message Karma: 10
Awesome, thanks for contributing. I can't wait to see the tutorial.
Kraftwurx Designs
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Last Edit: 2012/04/23 10:29 By Kraftwurx Designs.
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#366
Re:Hollowing Your Model with ZBrush Dynamesh 8 Years, 11 Months ago message Karma: 0
Very nice TUT...

But wouldnt it be better to Boolean the object...?

I mean where we could make a duplicate of the model scale it down and then Boolean the smaller mesh from the original keeping all in perspective...?

This I am proposeing for like Human or creature designs and keeping with the 4mm...?
foleypro
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Last Edit: 2012/04/23 10:30 By Kraftwurx Designs.
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#367
Re:Hollowing Your Model with ZBrush Dynamesh 8 Years, 11 Months ago message Karma: 10
Depending on the model shape, a Boolean operation with an evenly scaled-down model can work just fine.

The advantage to ZBrush's dynamesh shell tool is it's ability to adaptively create the hollow inside mesh. This means the mesh become solid in thin areas such as fingers when set to a specific thickness. As oppose to an equally hollow model like a Boolean might produce.

I hope I explain this well enough, let me know if you have any more comments.
Kraftwurx Designs
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#368
Re:Hollowing Your Model with ZBrush Dynamesh 8 Years, 11 Months ago message Karma: 0
I think this is the tutorial that digital3Dart was talking about:
m_filiault
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Last Edit: 2012/04/23 10:31 By Kraftwurx Designs.
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