Rib Feature
Insert 
Features (Part Level)
Use this command to create a rib feature using
an open profile sketch. The required inputs include the profile, rib thickness,
draft angle, boundary faces and the draft plane. The
boundary faces can limit or expand the extent of the rib feature.
Profile
- Select an open sketch defining the rib profile or middle-click to Create a Feature Sketch.
Thickness - Specify the rib thickness. The default thickness is 10.
Draft angle - Enter the draft angle. The default angle is 5.
Boundary - Specify the rib boundary faces and middle-click to continue.
Draft plane - If a draft angle was specified, select the draft plane. It can be datum plane or a planar face.
During Profile input, you can right-click and select Make Curve List from the Input Options Menu. This will allow you to make a parametric list of existing curves to use as input for this command.
