The view options allow you to control which objects appear in the display and how those objects are visualized.
When you need a clear view of certain parts, it can be useful to hide other parts from view.
There are multiple ways to hide a part:
yellow lightbulb icon next to the part name.
To make hidden parts visible:
To flip the visibility of all parts:
A reduced level of detail may be necessary for projects containing many parts or complex parts. Netfabb operations run faster when parts are displayed with lower levels of detail.

Left: Part with low level of detail. Right: Part with high level of detail.
Despite the coarse appearance of low-detail parts, the part attributes remain unchanged. The project tree reports the current level of detail for each part.

Part levels of detail
When enabled, the interior side (negative normal) of triangles are always colored red, even when the part is selected. It helps to detect inverted triangles, holes, and cuts.

Backfaces are marked red
When enabled, sharp edges (<135°) on objects are highlighted with black lines.

If you have loaded several parts, Netfabb can show part name labels in the display.