Autodesk Inventor®

Adding Design Details
2. Move the cursor over the upper half of the sketch, and when the
upper semicircle is highlighted, click to select.
3. In the Extrude dialog box, type a distance of 55 mm, click the
Centered option, ensure the Join option is selected, and
then click OK.
If you make an error, you can use the Undo
Extrude feature again.
tool to create the
Your extrusion feature should appear as shown on the right.
Reusing Sketches
You have already seen several ways to define constraints between design
elements. Another way to create relationships between geometry
elements is to reuse sketches. This is a handy feature because you only
have to define the relationships once in a sketch, and then you can use
them again for other tasks.
To reuse the previous sketch for another extrusion feature:
1. In the Browser, click the plus (+) sign to the left of Extrusion2.
2. Right-click Sketch2 and choose Share Sketch.
Sketch2 is now listed separately in the Browser as a shared sketch.
3. On the Panel bar, click the Extrude tool.
4. Select the inner circle as the profile to extrude.
Tip: Position the cursor near the center of the circle, then
click to select.
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