tweak skirt

assets/models/ar_skirt_tartan.gltf

@@ -45,6 +45,20 @@
 				"metallicFactor":0.5158730149269104,
 				"roughnessFactor":0.841269850730896
 			}
+		},
+		{
+			"doubleSided":true,
+			"name":"Black",
+			"pbrMetallicRoughness":{
+				"baseColorFactor":[
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+					0.016740795224905014,
+					0.016740795224905014,
+					1
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+				"roughnessFactor":0.917391300201416
+			}
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 	],
 	"meshes":[
@@ -59,6 +73,15 @@
 					},
 					"indices":3,
 					"material":0
+				},
+				{
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+						"NORMAL":5,
+						"TEXCOORD_0":6
+					},
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+					"material":1
 				}
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@@ -80,15 +103,15 @@
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@@ -96,45 +119,103 @@
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@@ -146,7 +227,7 @@
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