Symmetry

Reference

Mode:Sculpt Mode
Panel:Toolbar ‣ Tool ‣ Symmetry
Panel:Properties ‣ Tool ‣ Symmetry
Menu:Sculpt ‣ Symmetry
Mirror
See Symmetry.
Lock
These three buttons allow you to block any modification/deformation of your model along selected local axes, while you are sculpting it.
Tiling
Using this option allows you to seamlessly tile your strokes along the given axes. This allows to create repeating patterns.
Feather
Reduces the strength of the stroke where it overlaps the planes of symmetry.
Radial
See Symmetry.
Tile Offset
The default tile size is set to one unit. The offset allows the option to alter the tile size along all three axes.