If a solid has features, it has an icon on its left.
— Features are visible in the tree.
— Features are hidden in the tree.
Click to expand the tree and show the features. The icon changes to .
Click icon to collapse the tree and hide the features.
Note: Some features can have branches. For example, when you add a solid with features to the active solid, the new Add feature includes branches that represent the features from the original solid.