How to Create a Multi-Section Surface – Guide Curves in CATIA

Creating a Multi-Section Surface – Guide Curves:

Step 1: Goto Mechanical Design > Wireframe & Surface design….

Step 2: Click on Plane Icon here dialog box will opens select offset and set specified dimensions.

Step 3: Select the plane and click of Sketch Task Environment and it directly takes you to Sketchy Window.

Step 4: Here select any Sketch tool to Sketch a Profile; I selected Arc Sketch tool to sketch a profile.

Step 5: Exit Sketch Task Environment and it directly takes you to surface window.

Step 6: Now Select another plane and Project the Profile Sketch with help of Project 3D Elements (Search tool: Insert > Operation > 3D Geometry > Project 3D Elements….)

Step 7: Click on Plane Icon here dialog box will opens select offset and set specified dimensions and equally create the plane on both direction.

Step 8: click of Sketch Task Environment and it directly takes you to Sketchy Window. Now go to Project 3D Elements and select the two sketchy lines and create a Spline in contact with two projected lines. Finally delete the projected lines. Exit the Sketch Task Environment.  Do the same on other plane. (Search tool: Insert > Operation > 3D Geometry > Project 3D Elements….)

Step 9: Now go to Insert > Surface > Multi-Section Surface… here select the sketch profile as section 1 and 2.AND Select Guide options and select  Spline Sketch as Guide Curve… and click on OK.

Multi-Section Surface – Guide Curves is created

Refer Images…