added single file for glass material

povray/ellipsoid/glass.inc

@@ -0,0 +1,23 @@
+#declare M_Glass=    // Glass material
+material {
+  texture {
+    pigment {rgbt 1}
+    finish {
+      ambient 0.0
+      diffuse 0.05
+      specular 0.6
+      roughness 0.005
+      reflection {
+        0.1, 1.0
+        fresnel on
+      }
+      conserve_energy
+    }
+  }
+  interior {
+    ior 1.5 // Glass refraction
+    fade_power 1001
+    fade_distance 0.9
+    fade_color <0.5,0.8,0.6>
+  }
+}