Troubleshooting a Flawed Mesh

As we learn to model, we come upon situations that can bring our work to a screeching halt. In this tutorial I will take a mesh with some unidentified problems, and work through some methods to identify and fix those problems.
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Modeling a beveled inset on an architectural element

This modeling tutorial shows how to model a decorative inset for an architectural element. It shows how to use polygon modeling and subdivision surfaces to generate a shape that is relatively easy to produce yet has some important technical detail that need to be done well and accurately.
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Working with Shapes, Instances and Groups

This modeling tutorial demonstrates various object manipulation and modeling techniques for working with logically grouped objects. It demonstrates good usage of shapes and instances in addition to times when groups are appropriate organizational mechanisms. This tutorial also shows how to set a unique location for the pivot in various ways.
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