diff --git a/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.MdlTab.cs b/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.MdlTab.cs
index f9e19599..bd599133 100644
--- a/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.MdlTab.cs
+++ b/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.MdlTab.cs
@@ -15,6 +15,8 @@ public partial class ModEditWindow
         public  MdlFile        Mdl         { get; private set; }
         private List<string>[] _attributes;
 
+        public bool ImportKeepMaterials;
+
         public List<Utf8GamePath>? GamePaths { get; private set; }
         public int                 GamePathIndex;
 
@@ -110,6 +112,7 @@ public partial class ModEditWindow
 
         /// <summary> Export model to an interchange format. </summary>
         /// <param name="outputPath"> Disk path to save the resulting file to. </param>
+        /// <param name="mdlPath"> .mdl game path to resolve satellite files such as skeletons relative to. </param>
         public void Export(string outputPath, Utf8GamePath mdlPath)
         {
             IEnumerable<SklbFile> skeletons;
@@ -143,14 +146,37 @@ public partial class ModEditWindow
                 {
                     IoException = task.Exception?.ToString();
                     if (task is { IsCompletedSuccessfully: true, Result: not null })
-                    {
-                        Initialize(task.Result);
-                        _dirty = true;
-                    }
+                        FinalizeImport(task.Result);
                     PendingIo = false;
                 });
         }
 
+        /// <summary> Finalise the import of a .mdl, applying any post-import transformations and state updates. </summary>
+        /// <param name="newMdl"> Model data to finalize. </param>
+        private void FinalizeImport(MdlFile newMdl)
+        {
+            if (ImportKeepMaterials)
+                MergeMaterials(newMdl, Mdl);
+
+            Initialize(newMdl);
+            _dirty = true;
+        }
+        
+        /// <summary> Merge material configuration from the source onto the target. </summary>
+        /// <param name="target"> Model that will be updated. </param>
+        /// <param name="source"> Model to copy material configuration from. </param>
+        public void MergeMaterials(MdlFile target, MdlFile source)
+        {
+            target.Materials = source.Materials;
+
+            for (var meshIndex = 0; meshIndex < target.Meshes.Length; meshIndex++)
+            {
+                target.Meshes[meshIndex].MaterialIndex = meshIndex < source.Meshes.Length
+                    ? source.Meshes[meshIndex].MaterialIndex
+                    : (ushort)0;
+            }
+        }
+
         /// <summary> Read a .sklb from the active collection or game. </summary>
         /// <param name="sklbPath"> Game path to the .sklb to load. </param>
         private SklbFile ReadSklb(string sklbPath)
diff --git a/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.cs b/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.cs
index 4f9303f8..9a69a4e8 100644
--- a/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.cs
+++ b/Penumbra/UI/AdvancedWindow/ModEditWindow.Models.cs
@@ -79,6 +79,8 @@ public partial class ModEditWindow
 
         using (var frame = ImRaii.FramedGroup("Import", size, headerPreIcon: FontAwesomeIcon.FileImport))
         {
+            ImGui.Checkbox("Keep current materials", ref tab.ImportKeepMaterials);
+
             if (ImGuiUtil.DrawDisabledButton("Import from glTF", Vector2.Zero, "Imports a glTF file, overriding the content of this mdl.",
                     tab.PendingIo))
                 _fileDialog.OpenFilePicker("Load model from glTF.", "glTF{.gltf,.glb}", (success, paths) =>
@@ -86,7 +88,6 @@ public partial class ModEditWindow
                     if (success && paths.Count > 0)
                         tab.Import(paths[0]);
                 }, 1, _mod!.ModPath.FullName, false);
-            ImGui.Dummy(new Vector2(ImGui.GetFrameHeight()));
         }
 
         if (_dragDropManager.CreateImGuiTarget("ModelDragDrop", out var files, out _) && GetFirstModel(files, out var importFile))