Track along a line.
Track along a line parallel to a reference line between two points.
Snap midway between two specified locations.
Snap to the center of a circle, arc, closed polyline, or annotation text bounding box.
The Center object snap persists until turned off.
Manage persistent object snaps.
Snap to the end of a curve.
The End object snap persists until turned off.
Snap from a specified base point.
Snap to the intersections of curves, edges, and isoparametric curves on a surface.
The Intersection object snap persists until turned off.
Snap to a knot on a curve or surface.
The Knot object snap persists until turned off.
Snap to the midpoint of a curve or surface edge.
The Midpoint object snap persists until turned off.
End, Point, Mid, Cen, Int, Tan, Perp and Quad
The multiple object snaps persist until turned off.
Snap onto a curve at the cursor location.
The Near object snap persists until turned off.
Clears all persistent object snaps.
Snap to and track along a selected curve for one pick.
The OnCrv object snap persists until a command completes.
Snap to and track over a polysurface for one pick.
The OnPolysurface object snap persists until a command completes.
Snap to and track over a surface for one pick.
The OnSurface object snap persists until a command completes.
Snap perpendicular to a curve.
The Perpendicular object snap persists until turned off.
Track along a line perpendicular to a curve.
Snap to a point object, control point, edit point, and block or text insertion point.
The Point object snap persists until turned off.
Project object snaps to the construction plane.
Snap to the point on a curve that is at the maximum x or y point relative to the current construction plane.
The Quadrant object snap persists until turned off.
Turn on a system of temporary reference lines and points.
Turns off SmartTrack.
Specify SmartTrack options.
Allow snaps to work on locked objects and locked layers.
Snap tangent to a curve.
The Tangent object snap persists until turned off.
Track along a line tangent to a curve.
Snap to a mesh vertex.
The Vertex object snap persists until turned off.
Rhino for Mac © 2010-2017 Robert McNeel & Associates. 24-Oct-2017