You can create wireframe geometry such as points, lines, planes and corners. You can make use of this elementary geometries when you create more complex surfaces later on.
Axis System Creating Points Creating Multiple Points and Planes Creating Lines Creating Polylines Creating Axis Creating Planes Creating Planes between Other Planes Creating Circles Creating Corners Creating Through Point Curves Creating Spirals Creating Helical Curves Creating Projection Curves Creating Intersection Curves Creating Combined Curves Creating Parallel Curves