<matoverride matname="tglass">		
	<specular>
		<normal_reflectance>0.05</normal_reflectance>
		<transparent>true</transparent>
		<ior>1.5</ior>
		<cauchy_b_coeff>0.0459</cauchy_b_coeff>
		<rgb_absorptivity>0 0 0</rgb_absorptivity>
	</specular>
</matoverride>

<matoverride matname="tsteel">		
	<phong>
		<diffuse>0.0 0.0 0.0</diffuse>
		<specular>0.8 0.8 0.8</specular>
		<exponent>100</exponent>
	</phong>
</matoverride>

<matoverride matname="tchrome">		
	<phong>
		<diffuse>0.0 0.0 0.0</diffuse>
		<specular>1.0 1.0 1.0</specular>
		<exponent>1000000</exponent>
	</phong>
</matoverride>

<matoverride matname="twood">		
	<phong>
		<diffuse>0.26 0.23 0.19</diffuse>
		<specular>0.1 0.1 0.1</specular>
		<exponent>1000</exponent>
	</phong>
</matoverride>

<matoverride matname="tplasticblack">		
	<phong>
		<diffuse>0.1 0.1 0.11</diffuse>
		<specular>0.1 0.1 0.1</specular>
		<exponent>100</exponent>
	</phong>
</matoverride>

<matoverride matname="tporceline">		
	<phong>
		<diffuse>1.0 1.0 1.0</diffuse>
		<specular>0.6 0.6 0.6</specular>
		<exponent>10000</exponent>
	</phong>
</matoverride>