r operation
Syntax
r(xAngle, yAngle, zAngle)
r(center, xAngle, yAngle, zAngle)
Parameters
 xAngle, yAngle, zAngle (float)
Angles in degrees to rotate about each axis.  center (selector)
scopeOrigin, scopeCenter The rotation center.
scopeOrigin is the default (used if no center selector is given).
Description
The r operation rotates the scope of the current shape around the pivotaxes in xyz order. The center of rotation is either the scopeOrigin (scope.t) of the current shape or the scopeCenter of the current shape.
Note: r(x, y, z) is the same as rotate(rel, pivot, x, y, z).
Related
Examples
Rotation Centers
height = 18 dy = 2 Lot> extrude(height) split(y) { dy : r(0, 360*split.index/split.total, 0) X }*In this example, a mass model is split in vertical direction and the slices are rotated around the scope.t. Each slice's scope is shown, note how the yaxes denote an axis of symmetry. 

height = 18 dy = 2 Lot> extrude(height) split(y) { dy : r(scopeCenter, 0, 360*split.index/split.total, 0) X }*The same example as above, but this time the rotations are around the scope center. 
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