Umbrella: There are two configurations in this multi-body solid model. One configuration is open and one that is collapsed. A master “layout” sketch helps to plan and organize the ribs and stretchers in the two configurations. With help from the layout sketch, the geometry can be easily created and the components line up as desired. A few surface features are used to create the canopy. There are several examples of basic sweeps and circular patterns. Other features in this model include revolves, move/copy body, surface boundary, knit surface, and thicken.
DraftSight Download: In conjunction with DraftSight, Dassault Systèmes’ 2D CAD product, the 2D drawing(.dwg) file of the Umbrella Tutorial is now available for download here.