The Cylinder command draws an Extrusion cylinder.
Command-line options
DirectionConstraint: Direction constraints restrict the direction of the cylinder.
1.None: Pick or type a number to set the height.
2.Vertical: Creates a cylinder perpendicular to the construction plane
3.AroundCurve: Draws the base circle perpendiculart to the picked point on a curve. The center line of the cylinder will be tangent to the curve.
Solid: Caps the top and bottom openings or leave them open.
Radius: Draw the base circle by picking the center point and a radius point.
2Point: Draws the base circle from two opposite points.
3Point: Draws the base circle through three points.
Tangent: Draws the base circle tangent to one, two, or three curves.
FitPoints: Draws the base circle by fitting to selected points, control points, or mesh vertices.
BothSides: Creates a cylinder symmetrical across the base circle. The height of the cylinder is twice as long as you specify.
Steps
Draw the base circle.
Pick a location or type a number to set the height.
The DirectionConstraint options define the positive height differently.
For more information, please refer to the Rhino documentation.
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