Both profile objects must be the same type and must have the same number of vertices. For example, you can create a prism between two circles or two rectangles, but not between a circle and a rectangle
Splines and Bezier curves must have the same number of control points.
Note: A prism is considered to be a Lofting object, and its Properties contain a Lofting Shape page.
- If you want to select only simple (single-object) curves, make sure Use Compound Profile is not selected.
- Select the two 2D objects. Polyline to polyline Spline to spline You do not have to select closed 2D objects. If you use open objects, a 3D surface will result. Prism with Compound Profiles A compound profile is an open or closed chain of connected curves or lines. You can use compound profiles when you do not want to create a polyline, or convert a chain into a polyline.
- Make sure Use Compound Profile is selected.
- Select the first compound profile, which is automatically identified as a chain. To deselect any curve in the chain, select it again (it will turn green). In this example, Profile 1 is a series of connected lines, not a polyline.
- When the profile is selected, click Finish Selection of Profile, or select it from the local menu.
- Select the second profile using the same steps.
- When you finish the second profile selection, the prism is created.
Note: Compound profiles can be modified, which updates the 3D objects upon which they are based. See Profile Editing.