Three-finger single tap or tap once with a single finger anywhere in empty space
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Create Geometry Gestures
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Draw 2D Shapes
Tap on the line, arc, spline, or rectangle tool, then tap-drag-lift to draw
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Extrude Shapes
Tap to select a face, and then drag your finger up or down.
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Place a Primitive
From the action bar, tap the Primitive icon. When the menu displays, tap the primitive you would like to place in your sketch. Tap the canvas and drag to where you would like to place the primitive.
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Select Geometry Gestures
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Select a Face
Single tap on the face you want to select.
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Select a Body
Double tap anywhere on the body.
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Group Gestures
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Edit a Group
Double tap on any geometry in the group.
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Exit a Group
Single tap anywhere outside of the group bounding box.