One painful thing when working with design surfaces for domain models in most products is managing very large models. Hundreds or thousands of domain entities are difficult to manage visually. In this post Ivan details how Mindscape LightSpeed now includes filtering - filter for entities based on their name or even tag up your entities to create custom sub views. Particularly powerful is being able to show associated entities and filter by eager load graphs. Can't remember what entities are going to be pulled back by a certain load graph? Just filter it and see!