	AttributeBegin
	 	Color [.75 .75 1]
		Surface "matte"
		Displacement "BMStucco"
		Declare "pockfrequency" "float"
		Declare "groovedepth" "float"
		Declare "pitting" "float"
		Declare "jagged" "float"
		Declare "rowvary" "float"
		Declare "brickvary" "float"
		Declare "brickwidth" "float"
		Declare "brickheight" "float"
		Declare "mortarthickness" "float"
	 	TransformBegin
			Translate 2.65 0 9.375
			Scale 16.35 16 1
			ReadArchive "backwall-plaster.rib"
	 	TransformEnd
	AttributeEnd
	AttributeBegin
		Translate 5.685 0 8.5
		Translate 0 0 -.2
		Scale 13 16 1
	 	TransformBegin
			SolidBegin "union"
				SolidBegin "primitive"
					AttributeBegin
						Surface "PXColorMetal" 
						ReadArchive "blackboard-frame.rib"
					AttributeEnd
				SolidEnd
				SolidBegin "primitive"
					AttributeBegin
						Color [ .2 .7 .5 ]
						Declare "texturename" "string"
						Surface "PXDecal" "texturename" "chalk-board-3c.tif"
						ReadArchive "blackboard.rib"
					AttributeEnd
				SolidEnd
				SolidBegin "primitive"
					AttributeBegin
						Color [ .6675 .6675 .875 ]
						Declare "Ka" "float"
						Declare "Kd" "float"
						Declare "Ks" "float"
						Surface "plastic" "Ka" .765 "Kd" .235 "Ks" .135
						Declare "Km" "float"
						Declare "frequency" "float"
						Displacement "LGDented" "Km" 8.025 "frequency" 0.925
						ReadArchive "eraser.rib" 
					AttributeEnd
				SolidEnd
				SolidBegin "primitive"
					AttributeBegin
						Color [0.90 0.91 0.98]
						Declare "Ka" "float"
						Declare "Kd" "float"
						Declare "Ks" "float"
						Surface "plastic" "Ka" .965 "Kd" .535 "Ks" 1.135
						# A sort of wrinkled aluminum
						Declare "Km" "float"
						Declare "frequency" "float"
						Displacement "LGDented" "Km" 18.025 "frequency" 0.0425
						ReadArchive "chalk-tray.rib"
					AttributeEnd
				SolidEnd
				SolidBegin "primitive"
					AttributeBegin
						Color [ .7 .7 .595 ]
						ReadArchive "chalk-large.rib"
					AttributeEnd
				SolidEnd
				SolidBegin "primitive"
					AttributeBegin
						Color [ .7 .7 .595 ]
						ReadArchive "chalk-small.rib"
					AttributeEnd
				SolidEnd
			SolidEnd
	 	TransformEnd
	AttributeEnd
