diff --git a/Sources/arm/Importer.hx b/Sources/arm/Importer.hx
index 0cdbd421..570522f6 100644
--- a/Sources/arm/Importer.hx
+++ b/Sources/arm/Importer.hx
@@ -409,11 +409,25 @@ class Importer {
 
 	static function importObj(path:String) {
 		iron.data.Data.getBlob(path, function(b:kha.Blob) {
-			var obj = new iron.format.obj.ObjParser(b);
-			makeMesh(obj, path);
-			while (obj.hasNext) {
-				obj = new iron.format.obj.ObjParser(b, obj.pos);
-				addMesh(obj);
+			if (UITrait.inst.isUdim) {
+				var obj = new iron.format.obj.ObjParser(b, 0, UITrait.inst.isUdim);
+				var name = obj.name;
+				obj.name = name + "_1001";
+				obj.inda = obj.udims[0];
+				makeMesh(obj, path);
+				for (i in 1...obj.udims.length) {
+					obj.name = name + "_100" + (i + 1);
+					obj.inda = obj.udims[i];
+					addMesh(obj);
+				}
+			}
+			else {
+				var obj = new iron.format.obj.ObjParser(b);
+				makeMesh(obj, path);
+				while (obj.hasNext) {
+					obj = new iron.format.obj.ObjParser(b, obj.pos);
+					addMesh(obj);
+				}
 			}
 			iron.data.Data.deleteBlob(path);
 		});
diff --git a/Sources/arm/ui/UITrait.hx b/Sources/arm/ui/UITrait.hx
index df8707fd..8fe6cd09 100644
--- a/Sources/arm/ui/UITrait.hx
+++ b/Sources/arm/ui/UITrait.hx
@@ -1804,13 +1804,13 @@ class UITrait extends iron.Trait {
 				var ar = ["All"];
 				for (p in paintObjects) ar.push(p.name);
 				var filterHandle = Id.handle();
-				layerFilter = ui.combo(filterHandle, ar, "Show");
+				layerFilter = ui.combo(filterHandle, ar, "Filter");
 				if (filterHandle.changed) {
 					for (p in paintObjects) {
 						p.visible = layerFilter == 0 || p.name == ar[layerFilter];
-						ddirty = 2;
 						setObjectMask();
 					}
+					ddirty = 2;
 				}
 
 				function drawList(l:LayerSlot, i:Int) {
@@ -2393,7 +2393,7 @@ class UITrait extends iron.Trait {
 				}
 				if (ui.isHovered) ui.tooltip("Import mesh file (Ctrl + Shift + I)");
 
-				isUdim = ui.check(Id.handle({selected: isUdim}), "Import UDIM tiles");
+				isUdim = ui.check(Id.handle({selected: isUdim}), "UDIM import");
 				if (ui.isHovered) ui.tooltip("Split mesh per UDIM tile");
 
 				if (ui.panel(Id.handle({selected: false}), "Scene", 0, true)) {