This article explains how to set display settings of parts. Parts's color, material and transparency can be changed in display settings.
Select a part in model tree and click [Appearance...] on context menu to show "Display properties" dialog in Tasks tab.
Viewing mode can be change in "Viewing mode" area. "Flat Lines (defalut)", "Shaded", "Wireframe" or "Points" can be selected.
Part's material can be changed with a combo box in "Material" area. There are a few dozens materials such as chrome, plastic, stone etc...
Custom material can be made. Click a [...] button next to the material combo box to show "Material properties" dialog and make your custom material.
Shape color can be change with "Shape color" button and line color can be change with "Line color" button.
Part's transparency, point size and line width can be changed in "Display" area.
Click
button to close "Display properties" dialog.And display properties except material also can be change in View tab of Combo View.