Controls for Controller in the Non-Dominant Hand Number Action Press to draw curves. Press to undo the action. Press to delete curves. Use the primary controller to select the curves.
Controls for Controller in the Dominant Hand Number Action Change the thickness and the opacity of curves. See Thickness and Opacity for the HTC© Vive™ Controllers. Trigger the current tool: Hold the trigger when sketching. To delete a curve, aim at the curve and hold the trigger. You can also hold the trigger and select one or more curves by stroke.