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Assembly Insertion Point and Offsets

When you create an assembly, the first thing to take into consideration is what point is going to follow your corridor path. In some cases this point might be the crown of your road or perhaps a point on your curb. This little detail can have a big impact on what subassembly you start with, […]

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Adding Parameters to Custom Subassemblies

When working with the out-of-the-box subassemblies in Civil 3D, you can normally manipulate many different values.  These values give the user more control over the shape of the subassembly, so they can get a more accurate representation of the design.  Having this control can be a great time saver!  Creating a basic subassembly is described in part 2 of […]

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Basics of Creating a Subassembly

The first thing you need to know about the Subassembly Composer is that the system is “drag and drop.”  As we develop our design we will need to pull the parts we need from the Tool Box into the Flowchart.  It is important to have a good understanding of subassemblies and code sets  before you begin working […]

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Create Subassembly from Polyline

After I started working with subassemblies in Civil 3D I wanted a way to create custom subassemblies.  Originally, I hoped there might be a way to create them using standard AutoCAD commands, but then I found out about the Subassembly Composer.  After some experimentation, I was able to understand how to design using the Subassembly […]

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Split Civil 3D Parcels in Acres

One of the things I first noticed when I began working in Civil 3D was that when you go to split parcels the units are set to square feet.  I normally prefer to split parcels based on acreage, so I attempted to just type the word acres when entering a minimum area.  Sadly that doesn’t work, so I just calculated […]

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Flipping Section Views in Civil 3D 2016

By default your section view will be set up so that what appears to the right of your alignment as you look from the lower station number to later stations will also appear on the right offset in your station views. The picture below depicts what will be the right and positive side of your […]

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Flatten Elevation Values

Many users run into issues when trying to draw flat objects while dealing with 3D content.  Sometimes you might  want to snap to a 3D object, but use zero elevation. There are several ways to make this process as painless as possible: AutoCAD objects such as lines and polylines can be flattened with the FLATTEN command from the […]

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Project objects to section view

When you work with Civil 3D’s section views there may come a time when you need to show a base AutoCAD model in one of your views.  In my case I have modeled out a lamp post in AutoCAD that I want to display in my section view. To project the AutoCAD object into a section view we […]