Here, we have loaded a family of lever-operated butterfly valves ranging in size from 50mm to 200mm and created an instance of each size. We then insert a standalone element of each size into a 3D view in the Revit project. Having located and downloaded the family file we require, we load it into a Revit project. A good place to start in the UK is the bimstore, a free resource for specifiers (designers). Obviously, the first task is to locate a Revit family file that contains the component we require. All we need to do then is mark the location of the connection ports on the blocks and add them to our own Plant 3D catalog. Although we are not able to use these files directly in AutoCAD Plant 3D, we can export the geometry from the Revit elements into AutoCAD blocks. However, more and more manufacturers are now providing Revit family files to help leverage their products in the BIM arena. Often though, it is difficult to obtain accurate CAD drawings that can be used directly by AutoCAD Plant 3D. The block-based butterfly valve, above left, is visually more appealing than the simple parametric shape, above right. If you have an accurate manufacturer’s 3D CAD drawing of a component you may wish to re-use this to save you the time and effort of defining the geometry it will also produce a visually more accurate Plant model. However, you can also create components using AutoCAD blocks. When you create a piping component, you usually specify the component type (Plant 3D Class), choose a parametric model, and assign sizes and dimensions to the component.
A component must be in a catalog before it can be added to a spec.
In AutoCAD Plant 3D, if a piping component is not available in a default catalog, you can add it yourself.
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