{ "for" "generic028" "metalness" "1" "roughness" "0.1" } { "for" "-0silo2_cor2" "metalness" "1" "roughness" "0.4" } { "for" "-1silo2_cor2" "metalness" "1" "roughness" "0.4" } { "for" "-2silo2_cor2" "metalness" "1" "roughness" "0.4" }