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                                                                                          Creating StairS    649


                             First, we need to discuss a few rules for creating a customized tread support for the default
                           tread:

                             ◆ ◆ Not every baluster needs a railing. If your baluster support isn’t going to be a part of the
                                “real” railing, just create another “railing” that is hosted by the stairs. Sketching another
                                path for your custom railing that only contains the tread support baluster can accomplish
                                this in a few steps. Another technique is to copy an existing railing, then paste it to the
                                exact same location, and change the type to your custom supporting baluster.
                             ◆ ◆ The baluster family template needs to be used for the component that will act as the tread
                                support. Otherwise, it can’t be associated to the railing.
                             ◆ ◆ If you have a complex support element, it may be helpful to model the desired support ele-
                                ment as a generic family. When you’ve finished, nest this generic element into the baluster
                                family. You may want to do this because the baluster templates have hardwired reference
                                planes and parameters (which is fine if you’re making a baluster that needs to geometri-
                                cally flex). But in this case, we’ve found that these reference planes and parameters may
                                cause your baluster to fail when you load it in the project as a result of these parameters
                                flexing. By modeling the geometry elsewhere and nesting it, you avoid this hassle because
                                it moves as a single component.
                             ◆ ◆ Designating the level of detail is crucial. Assigning smaller model elements to only appear
                                when the Detail Level of a view is set to Fine will result in much faster graphics regenera-
                                tion, view panning, and model rotation. So if you’re nesting one component into another
                                family, the detail that you’re assigning at the deepest level will be respected through nest-
                                ing (Figure 15.35).



                        Figure 15.35
                        Single component
                        that will be used as
                        a tread support


















                             Once the component is complete, you can nest it into a baluster template, as shown in
                           Figure 15.36. If necessary, it’s also possible to assign parameters to the dimensions in the nested
                           configuration.











          c15.indd   649                                                                             5/3/2014   11:31:35 AM
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