Click on the surface you wish to change. The preview of a selected surface appears in the selection window. Any changes of settings are immediately visible in 3D view.

Selection: preview of a selected surface
Open Material Library
Save to Library: Save custom material to library.
Setup mapping: Set size and rotation of selected material.
Reset Material: reset material to its original state
Recalculate normals
Material parameters – simple
Color: set color of the surface. After you click on a button with three dots a standard color mixer appears.
Diffuse map: select custom material file (JPG or PNG).
Transparency: set transparency of the surface. The higher the transparency, the more the color saturation of the selected object is reduced. At the same time colors will affect objects at the rear of the scene.
Reflectivity: set reflectivity of the surface. On highly reflective surfaces can appear spotlights and transitions.
Glossiness: set glossiness of the surface.
Bump map: select custom bump map file.
Bump factor