Example: Extending Intersect Surfaces
You can use the Extend intersect surfaces check box on the Options tab to extend the draft to meet the adjacent surface of the model. If the draft cannot extend to the adjacent model surface, then the model surface extends into the draft surface. If neither of these cases exist, or if you did not select the check box, the system creates a draft surface that extends beyond the edge of the model, and a surface is created to close the gap between the overhanging draft and the adjacent surface.
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The Extend intersect surfaces is not applicable in following cases:
• When the Split options is set to Split by split object, and one draft hinge is selected, and the Side options is set to Draft sides independently.
• When the Split options is set to Split by split object, and two draft hinges are selected.
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In the following example, a draft is added to a cylindrical protrusion near the edge of a box.
The draft in the illustration below is created without using the Extend intersect surfaces option. The draft surface overhangs the model surface. The model surface is not extended to the draft, and the draft is not extended to the model. The model face that is overlapped by the draft keeps the same dimensions.
The draft below was created with the Extend intersect surfaces option. The surface that would be overlapped by the draft is extended so that the draft intersects that surface.
In the next example, instead, a draft is added to the side surface of the box near the cylindrical protrusion.
If the draft is created without using the Extend intersect surfaces option, the surface of the protrusion overhangs the draft surface.
If the draft is created with the Extend intersect surfaces option, the model surface is extended so that the draft intersects that surface.
