You will have a greater chance of success if you remove only a few rounds at a time.
If you spend a lot of time removing rounds, you may want to review DesignSpark Mechanical's tutorials or technical support information for
advanced techniques you can use when removing
rounds.
Closely inspect your model from various angles and zoom levels, so you can best
determine the areas of rounds you want to remove. Each area of a model is unique,
and different areas may require different approaches to round removal.
To ensure accurate and complete round removal, remove the rounds in the reverse
order in which they were created, as shown in the example below of a model with
colored rounds: