declare shader
    geometry "triangles" (
	string "name",
        integer "count" default 100,
	vector "bbox_min" default -.5 -.5 -.5,
	vector "bbox_max" default .5 .5 .5,
	scalar "edge_length_max" default 1,
        integer "random_seed" default 1955
    )
    version 1
    apply geometry
end declare