diff --git a/PCK-Studio/Helper/MaterialResources.cs b/PCK-Studio/Extensions/MaterialContainerExtensions.cs
similarity index 81%
rename from PCK-Studio/Helper/MaterialResources.cs
rename to PCK-Studio/Extensions/MaterialContainerExtensions.cs
index d7755831..d680a9c5 100644
--- a/PCK-Studio/Helper/MaterialResources.cs
+++ b/PCK-Studio/Extensions/MaterialContainerExtensions.cs
@@ -1,18 +1,15 @@
 using System;
-using System.IO;
-
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
 using OMI.Formats.Material;
-using OMI.Workers.Material;
 
-namespace PckStudio.Helper
+namespace PckStudio.Extensions
 {
-    public static class MaterialResources
+    internal static class MaterialContainerExtensions
     {
-        public static byte[] MaterialsFileInitializer()
-        {
-            using var stream = new MemoryStream();
-            var matFile = new MaterialContainer
-            {
+        private static readonly MaterialContainer.Material[] defaultMaterials = [
                 new MaterialContainer.Material("bat", "entity_alphatest"),
                 new MaterialContainer.Material("ender_dragon", "entity_emissive_alpha"),
                 new MaterialContainer.Material("blaze_head", "entity_emissive_alpha"),
@@ -35,10 +32,11 @@ namespace PckStudio.Helper
                 new MaterialContainer.Material("wither_boss", "entity_alphatest"),
                 new MaterialContainer.Material("wither_skeleton", "entity_alphatest"),
                 new MaterialContainer.Material("wolf", "entity_alphatest_change_color")
-            };
-            var writer = new MaterialFileWriter(matFile);
-            writer.WriteToStream(stream);
-            return stream.ToArray();
+            ];
+
+        public static void InitializeDefault(this MaterialContainer materials)
+        {
+            materials.AddRange(defaultMaterials);
         }
     }
 }
diff --git a/PCK-Studio/Classes/API/Miles/Binka.cs b/PCK-Studio/External/API/Miles/Binka.cs
similarity index 98%
rename from PCK-Studio/Classes/API/Miles/Binka.cs
rename to PCK-Studio/External/API/Miles/Binka.cs
index ad2bb793..16e6ee96 100644
--- a/PCK-Studio/Classes/API/Miles/Binka.cs
+++ b/PCK-Studio/External/API/Miles/Binka.cs
@@ -7,7 +7,7 @@ using PckStudio.Internal;
 using PckStudio.Internal.App;
 using SharpMSS;
 
-namespace PckStudio.API.Miles
+namespace PckStudio.External.API.Miles
 {
 	internal static class Binka
 	{
diff --git a/PCK-Studio/Classes/Utils/BinkaConverter.cs b/PCK-Studio/External/API/Miles/BinkaConverter.cs
similarity index 97%
rename from PCK-Studio/Classes/Utils/BinkaConverter.cs
rename to PCK-Studio/External/API/Miles/BinkaConverter.cs
index 630f0904..c55d71b3 100644
--- a/PCK-Studio/Classes/Utils/BinkaConverter.cs
+++ b/PCK-Studio/External/API/Miles/BinkaConverter.cs
@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using PckStudio.API.Miles;
 using PckStudio.Forms.Additional_Popups;
 using System.Windows.Forms;
 using System.IO;
@@ -11,7 +10,7 @@ using PckStudio.Internal;
 using System.Text.RegularExpressions;
 using PckStudio.Internal.App;
 
-namespace PckStudio.Classes.Utils
+namespace PckStudio.External.API.Miles
 {
     internal static class BinkaConverter
     {
diff --git a/PCK-Studio/Forms/Editor/AudioEditor.cs b/PCK-Studio/Forms/Editor/AudioEditor.cs
index c8fa145e..84f4d2db 100644
--- a/PCK-Studio/Forms/Editor/AudioEditor.cs
+++ b/PCK-Studio/Forms/Editor/AudioEditor.cs
@@ -16,8 +16,7 @@ using OMI.Formats.Pck;
 using PckStudio.Internal.IO.PckAudio;
 using PckStudio.Forms.Additional_Popups;
 using PckStudio.Properties;
-using PckStudio.API.Miles;
-using PckStudio.Internal;
+using PckStudio.External.API.Miles;
 using PckStudio.Internal.FileFormats;
 using PckStudio.Extensions;
 using PckStudio.Internal.App;
diff --git a/PCK-Studio/Forms/Editor/TextureAtlasEditor.cs b/PCK-Studio/Forms/Editor/TextureAtlasEditor.cs
index 86893b9e..d3ffee2a 100644
--- a/PCK-Studio/Forms/Editor/TextureAtlasEditor.cs
+++ b/PCK-Studio/Forms/Editor/TextureAtlasEditor.cs
@@ -30,8 +30,6 @@ using OMI.Formats.Pck;
 using OMI.Workers.Color;
 
 using PckStudio.Extensions;
-using PckStudio.Helper;
-using PckStudio.Internal;
 using PckStudio.Internal.Deserializer;
 using PckStudio.Internal.Json;
 using PckStudio.Internal.Serializer;
diff --git a/PCK-Studio/Helper/BehaviourResources.cs b/PCK-Studio/Helper/BehaviourResources.cs
deleted file mode 100644
index c50b6b78..00000000
--- a/PCK-Studio/Helper/BehaviourResources.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using System.IO;
-
-using OMI.Formats.Behaviour;
-using OMI.Workers.Behaviour;
-
-namespace PckStudio.Helper
-{
-    public static class BehaviourResources
-    {
-        internal static byte[] BehaviourFileInitializer()
-        {
-            using var stream = new MemoryStream();
-            var writer = new BehavioursWriter(new BehaviourFile());
-            writer.WriteToStream(stream);
-            return stream.ToArray();
-        }
-    }
-}
diff --git a/PCK-Studio/MainForm.cs b/PCK-Studio/MainForm.cs
index ea8cbc31..ccb74324 100644
--- a/PCK-Studio/MainForm.cs
+++ b/PCK-Studio/MainForm.cs
@@ -7,14 +7,20 @@ using System.Windows.Forms;
 using System.Drawing.Drawing2D;
 using System.Diagnostics;
 using System.Drawing.Imaging;
+using System.Text.RegularExpressions;
 using OMI.Formats.Pck;
-using OMI.Formats.GameRule;
-using OMI.Formats.Languages;
 using OMI.Formats.Model;
+using OMI.Formats.GameRule;
+using OMI.Formats.Material;
+using OMI.Formats.Behaviour;
+using OMI.Formats.Languages;
+using OMI.Workers;
 using OMI.Workers.Pck;
 using OMI.Workers.GameRule;
 using OMI.Workers.Language;
 using OMI.Workers.Model;
+using OMI.Workers.Behaviour;
+using OMI.Workers.Material;
 using PckStudio.Properties;
 using PckStudio.Internal.FileFormats;
 using PckStudio.Forms;
@@ -28,13 +34,10 @@ using PckStudio.Internal;
 using PckStudio.Forms.Features;
 using PckStudio.Extensions;
 using PckStudio.Popups;
-using PckStudio.Classes.Utils;
-using PckStudio.Helper;
-using System.Text.RegularExpressions;
+using PckStudio.External.API.Miles;
 using PckStudio.Internal.Json;
 using PckStudio.Internal.Deserializer;
 using PckStudio.Internal.Serializer;
-using OMI.Workers;
 using PckStudio.Internal.App;
 using PckStudio.Internal.Skin;
 
@@ -2382,7 +2385,7 @@ namespace PckStudio
 				return;
 			}
 
-			currentPCK.CreateNewAsset("behaviours.bin", PckAssetType.BehavioursFile, BehaviourResources.BehaviourFileInitializer);
+			currentPCK.CreateNewAsset("behaviours.bin", PckAssetType.BehavioursFile, new BehavioursWriter(new BehaviourFile()));
 			BuildMainTreeView();
 		}
 
@@ -2393,7 +2396,9 @@ namespace PckStudio
 				MessageBox.Show(this, "A behaviours file already exists in this PCK and a new one cannot be created.", "Operation aborted");
 				return;
 			}
-			currentPCK.CreateNewAsset("entityMaterials.bin", PckAssetType.MaterialFile, MaterialResources.MaterialsFileInitializer);
+			var materialContainer = new MaterialContainer();
+			materialContainer.InitializeDefault();
+			currentPCK.CreateNewAsset("entityMaterials.bin", PckAssetType.MaterialFile, new MaterialFileWriter(materialContainer));
 			BuildMainTreeView();
 		}
 
diff --git a/PCK-Studio/PckStudio.csproj b/PCK-Studio/PckStudio.csproj
index cfd238e7..a682a70d 100644
--- a/PCK-Studio/PckStudio.csproj
+++ b/PCK-Studio/PckStudio.csproj
@@ -134,6 +134,7 @@
     <Reference Include="WindowsFormsIntegration" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Extensions\MaterialContainerExtensions.cs" />
     <Compile Include="Forms\ContributorsForm.cs">
       <SubType>Form</SubType>
     </Compile>
@@ -230,7 +231,7 @@
     <Compile Include="ToolboxItems\ToolStripRadioButtonMenuItem.cs">
       <SubType>Component</SubType>
     </Compile>
-    <Compile Include="Classes\Utils\BinkaConverter.cs" />
+    <Compile Include="External\API\Miles\BinkaConverter.cs" />
     <Compile Include="Extensions\AnimationExtensions.cs" />
     <Compile Include="Extensions\ImageLayoutDirection.cs" />
     <Compile Include="Extensions\ImageSection.cs" />
@@ -262,7 +263,7 @@
     <Compile Include="Extensions\GraphicsExtensions.cs" />
     <Compile Include="Internal\FileFormats\PSMFile.cs" />
     <Compile Include="Internal\FileFormats\PckAudioFile.cs" />
-    <Compile Include="Classes\API\Miles\Binka.cs" />
+    <Compile Include="External\API\Miles\Binka.cs" />
     <Compile Include="Internal\IO\3DST\3DSTextureReader.cs" />
     <Compile Include="Internal\IO\3DST\3DSTextureWriter.cs" />
     <Compile Include="Internal\IO\PckAudio\PckAudioFileReader.cs" />
@@ -410,8 +411,6 @@
     <Compile Include="Forms\Additional-Popups\InProgressPrompt.Designer.cs">
       <DependentUpon>InProgressPrompt.cs</DependentUpon>
     </Compile>
-    <Compile Include="Helper\MaterialResources.cs" />
-    <Compile Include="Helper\BehaviourResources.cs" />
     <Compile Include="Forms\Editor\BoxEditor.cs">
       <SubType>Form</SubType>
     </Compile>