Quick Start

The red X symbol on any curve indicates that your cursor is touching a
curve. If you click your mouse when you see this inference, then your new
point is guaranteed to lie on the curve.
■ Midpoint Inference (5):
If your cursor touches the midpoint of a straight line, you see a red triangle
symbol indicating the midpoint. If the line has multiple segments, as in
the following image, you do not see this inference.
■ Sketch Grid Point Inference (6):
164 | Chapter 1 Autodesk Inventor Fusion TP2