# Drag your cursor "up" and away from the second anchor point to increase the height of the helix.
# Left-click a third time to complete the helix.
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NOTES, SPECIAL CASES OR EXCEPTIONS: You can define a helix curve with different values for '''Inner Radius''' and '''Outer Radius''', which make the curve expanding or shrinking. The '''Height''' parameter establishes the elevation of the end point of the helix with respect to start point.
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DIALOG PARAMETERS<table><tr>'''Inner Radius''' defines the distance between the spiral's origin and the starting point of each spiral arm. '''Outer Radius''' sets the distance each spiral arm will radiate outward from the inner radius. '''Number of Turns''' defines the number of spiral revolutions of each arm '''Height''' establishes the elevation of the outer radius of the helix. '''Counter Clockwise''' (CCW) flips the clockwise drawing direction of the spiral arms.<td> [[FileImage:cad_curve7.png|thumb|left|480px|The property dialog of the helix curve object.]]</td></tr></table><table><tr><td> [[FileImage:26_helix_tn_newresize_helix_new.png]]Â |thumb|left|550px|The X, Y, Z LCS coordinates originate at the base center geometry of the helixcurve object.]] </td></tr>SNAP POINT EDIT HANDLES</table><table>Edit handles, available in shape edit mode, allow you to modify common shape attributes using your mouse. The diagram on the left provides a reference of the parameters controlled by the resize (RED) edit handles.<tr><td> [[FileImage:resize_helix_new26_helix_tn_new.png|circlethumb|left|550px|The local coordinate system (LCS) of the helix curve object.]]</td></tr></table>
== Polyline Tool ==