I create 2 components.

Overlap the components.

Works when editing a component or tracing over the intersection of 2 components.

1: Double click the component you wish to add tracings to.

2: Grab the pencil tool.

3: Find a point I would like to start tracing.

4: Hover over a line near that point, it will snap to the line.

5: Hold down the shift key, it will now lock you on the line.

6: Slide along until it 'intersects with plane'.

7. Click to draw first point.

8. Locate next 'intersection', find a line nearby, hover over line and press shift.

9. Repeat





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