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011 ZRemesh And Slicing
Michael Pavlovich
Overview
This video demonstrates advanced ZBrush techniques for preparing a model for further sculpting or retopology, focusing on ZRemesh and slicing tools. The process begins with merging multiple subtools into a single Dynamesh object, followed by smoothing and refining the shape using Polish by Features. The tutorial then details how to use the Slice Curve and Slice Circle brushes to create distinct polygroups, essential for controlling the ZRemesh output. It covers techniques for precise slicing, including masking and visibility, and explores different ZRemesh settings like 'Keep Groups' and adaptive size. Finally, the video touches upon cleaning up stray polygroups and manually reassigning polygroups for a polished result, preparing the model for subsequent stages of the 3D workflow.
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Chapters
- •Merge multiple subtools to the top using 'Merge Down'.
- •Turn off 'Groups' in Dynamesh settings before merging.
- •Use 'Smooth Stronger' brush for aggressive smoothing.
- •Apply 'Polish by Features' for initial shape refinement, with options to manage intense polishing on specific areas.
- •Import a reference image using Spotlight for guidance.
- •Alternatively, use 'Zap Link Properties' to align the model with the document view.
- •Paint a guide on the model (e.g., half white) to visualize cut lines.
- •Use the standard brush with Lazy Radius to draw precise slicing lines.
- •Decide whether to slice before or after ZRemeshing.
- •Use 'Slice Curve' to create polygroups on specific areas like arms and legs.
- •Employ masking or visibility to prevent slices from going through the entire object.
- •Turn off X symmetry for asymmetrical slicing if needed, then use Mirror and Weld.
- •Turn off poly paint before ZRemeshing.
- •Enable 'Keep Groups' in ZRemesher settings to preserve sliced polygroups.
- •Adjust 'Target Polygon Count' and 'Adaptive Size' for desired mesh density.
- •Use X symmetry for symmetrical ZRemeshing, or experiment with Alt+ZRemesh for different mid-line algorithms.
- •Use the Slice brush from the side view to align with model features (e.g., shoulders).
- •Apply curves for pants or waistlines using Alt for curved paths.
- •Use 'Slice Circle' for precise circular cuts, adjusting stroke settings and position.
- •Temporarily hide parts of the model to ensure slices don't pass through unintended areas.
- •Address potential issues like stray polygroups after ZRemeshing using 'Merge Stray Groups'.
- •Perform 'Mirror and Weld' across the X-axis if symmetry was lost or applied incorrectly.
- •Manually reassign polygroups by painting them on using polygrouping tools or the ZModeler brush.
Key Takeaways
- 1Merging and Dynameshing are crucial first steps for combining disparate model parts.
- 2Smoothing and polishing tools help refine the base shape before detailed slicing.
- 3Slice Curve and Slice Circle are powerful for creating polygroups that guide ZRemesh.
- 4Masking and visibility are essential for controlled slicing operations.
- 5ZRemesher's 'Keep Groups' option is vital for maintaining sliced polygroups.
- 6Experiment with ZRemesh settings and symmetry options for optimal results.
- 7Post-ZRemesh cleanup, including merging stray groups and polygroup reassignment, ensures a clean mesh.
- 8Precise slicing and ZRemeshing prepare the model for retopology or further sculpting.