diff --git a/Assets/Extra/Test Materials.meta b/Assets/Extra/Test Materials.meta
new file mode 100644
index 0000000..04f2842
--- /dev/null
+++ b/Assets/Extra/Test Materials.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 56f15216bd310954bb57d0900839c613
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
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diff --git a/Assets/Extra/Test Materials/Normals.mat b/Assets/Extra/Test Materials/Normals.mat
new file mode 100644
index 0000000..7496300
--- /dev/null
+++ b/Assets/Extra/Test Materials/Normals.mat	
@@ -0,0 +1,28 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: Normals
+  m_Shader: {fileID: 4800000, guid: 75756b5b04ca7b5438e346a8f9f754ba, type: 3}
+  m_ShaderKeywords: 
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diff --git a/Assets/Extra/Test Materials/Normals.mat.meta b/Assets/Extra/Test Materials/Normals.mat.meta
new file mode 100644
index 0000000..b5851b7
--- /dev/null
+++ b/Assets/Extra/Test Materials/Normals.mat.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 763d54739fbe63e4bbd1598690d1af38
+NativeFormatImporter:
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diff --git a/Assets/Extra/Test Materials/Normals.shader b/Assets/Extra/Test Materials/Normals.shader
new file mode 100644
index 0000000..88de22e
--- /dev/null
+++ b/Assets/Extra/Test Materials/Normals.shader	
@@ -0,0 +1,49 @@
+Shader "Unlit/Normals"
+{
+    Properties
+    {
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                half3 normal : NORMAL;
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                half3 normal : NORMAL;
+            };
+            
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.normal = v.normal;
+                
+                return o;
+            }
+
+            half4 frag (v2f i) : SV_Target
+            {
+                half4 color = 0;
+                color.rgb = i.normal * 0.5 + 0.5;
+                return color;
+            }
+            ENDCG
+        }
+    }
+}
diff --git a/Assets/Extra/Test Materials/Normals.shader.meta b/Assets/Extra/Test Materials/Normals.shader.meta
new file mode 100644
index 0000000..f819ed1
--- /dev/null
+++ b/Assets/Extra/Test Materials/Normals.shader.meta	
@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: 75756b5b04ca7b5438e346a8f9f754ba
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  preprocessorOverride: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Extra/Test Materials/UVs.shader b/Assets/Extra/Test Materials/UVs.shader
new file mode 100644
index 0000000..a5c15c9
--- /dev/null
+++ b/Assets/Extra/Test Materials/UVs.shader	
@@ -0,0 +1,47 @@
+Shader "Unlit/UVs"
+{
+    Properties
+    {
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                float2 uv : TEXCOORD0;
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                float2 colors : TEXCOORD0;
+            };
+            
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.colors = v.uv;
+                
+                return o;
+            }
+
+            half4 frag (v2f i) : SV_Target
+            {
+                return half4(i.colors.x, i.colors.y, 0, 0);
+            }
+            ENDCG
+        }
+    }
+}
diff --git a/Assets/Extra/Test Materials/UVs.shader.meta b/Assets/Extra/Test Materials/UVs.shader.meta
new file mode 100644
index 0000000..ab78e04
--- /dev/null
+++ b/Assets/Extra/Test Materials/UVs.shader.meta	
@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: f6778d5072232804689f36bb771a2122
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+  externalObjects: {}
+  defaultTextures: []
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+  userData: 
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+  assetBundleVariant: 
diff --git a/Assets/Extra/Test Materials/Uvs.mat b/Assets/Extra/Test Materials/Uvs.mat
new file mode 100644
index 0000000..e20006f
--- /dev/null
+++ b/Assets/Extra/Test Materials/Uvs.mat	
@@ -0,0 +1,78 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: Uvs
+  m_Shader: {fileID: 4800000, guid: f6778d5072232804689f36bb771a2122, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
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+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
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+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailAlbedoMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailMask:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _DetailNormalMap:
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+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
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+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MetallicGlossMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _OcclusionMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _ParallaxMap:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _BumpScale: 1
+    - _Cutoff: 0.5
+    - _DetailNormalMapScale: 1
+    - _DstBlend: 0
+    - _GlossMapScale: 1
+    - _Glossiness: 0.5
+    - _GlossyReflections: 1
+    - _Metallic: 0
+    - _Mode: 0
+    - _OcclusionStrength: 1
+    - _Parallax: 0.02
+    - _SmoothnessTextureChannel: 0
+    - _SpecularHighlights: 1
+    - _SrcBlend: 1
+    - _UVSec: 0
+    - _ZWrite: 1
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
+  m_BuildTextureStacks: []
diff --git a/Assets/Extra/Test Materials/Uvs.mat.meta b/Assets/Extra/Test Materials/Uvs.mat.meta
new file mode 100644
index 0000000..bf39cd8
--- /dev/null
+++ b/Assets/Extra/Test Materials/Uvs.mat.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 6fe0ba5d1c59c7548be17ef9fb8e2e40
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Extra/Test Materials/VertexColors.mat b/Assets/Extra/Test Materials/VertexColors.mat
new file mode 100644
index 0000000..f41fdc9
--- /dev/null
+++ b/Assets/Extra/Test Materials/VertexColors.mat	
@@ -0,0 +1,35 @@
+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!21 &2100000
+Material:
+  serializedVersion: 6
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: VertexColors
+  m_Shader: {fileID: 4800000, guid: 3b849de517d871d46874414758a096f2, type: 3}
+  m_ShaderKeywords: 
+  m_LightmapFlags: 4
+  m_EnableInstancingVariants: 0
+  m_DoubleSidedGI: 0
+  m_CustomRenderQueue: -1
+  stringTagMap: {}
+  disabledShaderPasses: []
+  m_SavedProperties:
+    serializedVersion: 3
+    m_TexEnvs:
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+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    - _MainTex:
+        m_Texture: {fileID: 0}
+        m_Scale: {x: 1, y: 1}
+        m_Offset: {x: 0, y: 0}
+    m_Floats:
+    - _Shininess: 0.078125
+    m_Colors:
+    - _Color: {r: 1, g: 1, b: 1, a: 1}
+    - _SpecColor: {r: 0.5, g: 0.5, b: 0.5, a: 1}
+  m_BuildTextureStacks: []
diff --git a/Assets/Extra/Test Materials/VertexColors.mat.meta b/Assets/Extra/Test Materials/VertexColors.mat.meta
new file mode 100644
index 0000000..93148f6
--- /dev/null
+++ b/Assets/Extra/Test Materials/VertexColors.mat.meta	
@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: c84690dfb148c6e4f8343f76b3cad987
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 2100000
+  userData: 
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diff --git a/Assets/Extra/Test Materials/VertexColors.shader b/Assets/Extra/Test Materials/VertexColors.shader
new file mode 100644
index 0000000..b6c9314
--- /dev/null
+++ b/Assets/Extra/Test Materials/VertexColors.shader	
@@ -0,0 +1,47 @@
+Shader "Unlit/VertexColors"
+{
+    Properties
+    {
+    }
+    SubShader
+    {
+        Tags { "RenderType"="Opaque" }
+        LOD 100
+
+        Pass
+        {
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+
+            #include "UnityCG.cginc"
+
+            struct appdata
+            {
+                float4 vertex : POSITION;
+                half4 color : COLOR0;
+            };
+
+            struct v2f
+            {
+                float4 vertex : SV_POSITION;
+                half4 color : COLOR0;
+            };
+            
+            v2f vert (appdata v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+                o.color = v.color;
+                
+                return o;
+            }
+
+            half4 frag (v2f i) : SV_Target
+            {
+                return i.color;
+            }
+            ENDCG
+        }
+    }
+}
diff --git a/Assets/Extra/Test Materials/VertexColors.shader.meta b/Assets/Extra/Test Materials/VertexColors.shader.meta
new file mode 100644
index 0000000..02649ea
--- /dev/null
+++ b/Assets/Extra/Test Materials/VertexColors.shader.meta	
@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: 3b849de517d871d46874414758a096f2
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  nonModifiableTextures: []
+  preprocessorOverride: 0
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Speckle Connector/ConverterUnity.Geometry.cs b/Assets/Speckle Connector/ConverterUnity.Geometry.cs
index 4682c0b..9e2dfd0 100644
--- a/Assets/Speckle Connector/ConverterUnity.Geometry.cs	
+++ b/Assets/Speckle Connector/ConverterUnity.Geometry.cs	
@@ -16,7 +16,15 @@ namespace Objects.Converter.Unity
 {
   public partial class ConverterUnity
   {
+
     #region helper methods
+    
+    private static readonly int EmissionColor = Shader.PropertyToID("_EmissionColor");
+    private static readonly int Metallic = Shader.PropertyToID("_Metallic");
+    private static readonly int Glossiness = Shader.PropertyToID("_Glossiness");
+
+    private static Color ToUnityColor(SColor color) => new Color(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
+    
     /// <summary>
     /// 
     /// </summary>
@@ -312,7 +320,7 @@ namespace Objects.Converter.Unity
       var go = new GameObject { name = speckleMesh.speckle_type };
       var mesh = new UnityEngine.Mesh { name = speckleMesh.speckle_type };
 
-      if (verts.Length >= 65535)
+      if (verts.Length >= UInt16.MaxValue)
         mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
 
 
@@ -365,13 +373,17 @@ namespace Objects.Converter.Unity
       //Set vertex colors
       if (speckleMesh.colors.Count == speckleMesh.VerticesCount)
       {
-        static Color ToUnityColor(SColor color) => new Color(color.R, color.G, color.B, color.A);
         var colors = speckleMesh.colors.Select(c => ToUnityColor(SColor.FromArgb(c))).ToList();
         mesh.SetColors(colors);
       }
+      else if (speckleMesh.colors.Count != 0)
+      {
+        Debug.LogWarning($"{typeof(Mesh)} {speckleMesh.id} has invalid number of vertex {nameof(Mesh.colors)}. Expected 0 or {speckleMesh.VerticesCount}, got {speckleMesh.colors.Count}");
+      }
 
       // BUG: causing some funky issues with meshes
-      // mesh.RecalculateNormals( );
+      mesh.RecalculateNormals();
+      mesh.RecalculateTangents();
       mesh.Optimize();
       // Setting mesh to filter once all mesh modifying is done
       go.SafeMeshSet(mesh, true);
@@ -450,10 +462,16 @@ namespace Objects.Converter.Unity
         }
 
         var c = renderMaterial.diffuse.ToUnityColor();
-        mat.color = new Color(c.r, c.g, c.b, Convert.ToSingle(renderMaterial.opacity));
-        mat.name = renderMaterial.name == null ? "material-"+ Guid.NewGuid().ToString().Substring(0,8) : renderMaterial.name;
-
+        mat.color = new Color(c.r, c.g, c.b, (float)renderMaterial.opacity);
+        mat.name = renderMaterial.name ?? "material-"+ Guid.NewGuid().ToString().Substring(0,8);
+        
+        mat.SetFloat(Metallic, (float)renderMaterial.metalness);
+        mat.SetFloat(Glossiness,  1 - (float)renderMaterial.roughness);
 
+        if (renderMaterial.emissive != SColor.Black.ToArgb()) mat.EnableKeyword ("_EMISSION");
+        mat.SetColor(EmissionColor, ToUnityColor(SColor.FromArgb(renderMaterial.emissive)));
+        
+        
 #if UNITY_EDITOR
         if (StreamManager.GenerateMaterials)
         {
@@ -463,8 +481,7 @@ namespace Objects.Converter.Unity
           if (AssetDatabase.LoadAllAssetsAtPath("Assets/Resources/Materials/Speckle Generated/" + mat.name + ".mat").Length == 0) AssetDatabase.CreateAsset(mat, "Assets/Resources/Materials/Speckle Generated/" + mat.name + ".mat");
         }
 #endif
-
-
+        
         return mat;
       }
       // 3. if not renderMaterial was passed, the default shader will be used