3D Cut and Sew UV Tool options

The 3D Cut and Sew UV Tool allows you to create or stitch seams on UV shells right in the viewport, instead of through the UV Editor. For more information on cutting and sewing edges, see Separate and attach UVs.

Note: When moving between the Viewport and UV Editor, the 3D Cut and Sew UV Tool automatically changes to the Cut UV Tool.

Use these options to set what happens when you select UV > 3D Cut and Sew UV Tool > .

Brush

Steady Stroke
Activating this automatically smooths out your mouse strokes. Useful if you have an unsteady hand or when working in tight spaces on the model.
Distance
Determines the width of jitter to smooth out when Steady Stroke is enabled.
Symmetry
Mirrors cut or sew operations across the chosen axis of symmetry.

Display

Show checker map
Displays a checker map texture on the selected UV shell.
Show texture borders
Bolds the chosen UV shell's texture borders. You can adjust the color of the borders using the color swatch.
Show UV shell coloring
Displays an overlay color on top of the UV shell that corresponds to the same colored shell in the UV Editor.

Keyboard/Mouse Shortcuts

Hotkey Operation
Click Cut UV edge or highlighted UV edges.
Drag Cut UVs
Shift + drag Cut UVs constrained to an edge loop.
Double-click Cut UV edge loop.
Shift + double-click Cut a UV edge loop from the first selected edge to the second double-clicked edge.
Hold Tab Activate UV Edge Loop selection constraint.
Ctrl + click Sew UV edge or highlighted UV edges.
Ctrl + Shift + drag Sew UVs constrained to an edge loop.
Ctrl + double-click Sew UV edge loop.
Ctrl + Shift + double-click Sew a UV edge loop from the first selected edge to the second double-clicked edge.
X Cut highlighted or selected edges.
  • Face selection mask: Runs a Create UV shell operation.
  • UV Shell selection mask: Does nothing.
S Sew highlighted or selected edges.
  • Face selection mask: Does nothing.
  • UV Shell selection mask: Sew UV shell borders of the selected UV shell.
D Unfolds highlighted UV shell, then performs a Layout operation.
Shift + D Unfolds highlighted UV shell.

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