diff --git a/code/Common/BaseImporter.cpp b/code/Common/BaseImporter.cpp
index 0a5694aa0..de5018a25 100644
--- a/code/Common/BaseImporter.cpp
+++ b/code/Common/BaseImporter.cpp
@@ -76,9 +76,25 @@ BaseImporter::~BaseImporter() {
     // nothing to do here
 }
 
+void BaseImporter::UpdateImporterScale( Importer* pImp )
+{
+    ai_assert(pImp != nullptr);
+    ai_assert(importerScale != 0.0);
+    ai_assert(fileScale != 0.0);
+
+    double activeScale = importerScale * fileScale;
+
+    // Set active scaling
+    pImp->SetPropertyFloat( AI_CONFIG_APP_SCALE_KEY, activeScale);
+
+    ASSIMP_LOG_DEBUG_F("UpdateImporterScale scale set: %f", activeScale );
+}
+
 // ------------------------------------------------------------------------------------------------
 // Imports the given file and returns the imported data.
-aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile, IOSystem* pIOHandler) {
+aiScene* BaseImporter::ReadFile(Importer* pImp, const std::string& pFile, IOSystem* pIOHandler) {
+
+
     m_progress = pImp->GetProgressHandler();
     if (nullptr == m_progress) {
         return nullptr;
@@ -100,6 +116,11 @@ aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile,
     {
         InternReadFile( pFile, sc.get(), &filter);
 
+        // Calculate import scale hook - required because pImp not available anywhere else
+        // passes scale into ScaleProcess
+        UpdateImporterScale(pImp);
+
+
     } catch( const std::exception& err )    {
         // extract error description
         m_ErrorText = err.what();
@@ -112,7 +133,7 @@ aiScene* BaseImporter::ReadFile(const Importer* pImp, const std::string& pFile,
 }
 
 // ------------------------------------------------------------------------------------------------
-void BaseImporter::SetupProperties(const Importer* /*pImp*/)
+void BaseImporter::SetupProperties(const Importer* pImp)
 {
     // the default implementation does nothing
 }
@@ -588,6 +609,8 @@ aiScene* BatchLoader::GetImport( unsigned int which )
     return nullptr;
 }
 
+
+
 // ------------------------------------------------------------------------------------------------
 void BatchLoader::LoadAll()
 {
diff --git a/code/FBX/FBXImporter.cpp b/code/FBX/FBXImporter.cpp
index 09694a38f..bd359dbf2 100644
--- a/code/FBX/FBXImporter.cpp
+++ b/code/FBX/FBXImporter.cpp
@@ -192,9 +192,13 @@ void FBXImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOS
 
         // convert the FBX DOM to aiScene
         ConvertToAssimpScene(pScene, doc, settings.removeEmptyBones, unit);
-        
-        // units is relative to CM :) we need it in meters for assimp
-        SetFileScale( doc.GlobalSettings().UnitScaleFactor() * 0.01f);
+
+        // size relative to cm
+        float size_relative_to_cm = doc.GlobalSettings().UnitScaleFactor();
+
+        // Set FBX file scale is relative to CM must be converted to M for
+        // assimp universal format (M)
+        SetFileScale( size_relative_to_cm * 0.01f);
 
         std::for_each(tokens.begin(),tokens.end(),Util::delete_fun<Token>());
     }
diff --git a/include/assimp/BaseImporter.h b/include/assimp/BaseImporter.h
index 79a9b1b94..55f7fe375 100644
--- a/include/assimp/BaseImporter.h
+++ b/include/assimp/BaseImporter.h
@@ -82,6 +82,10 @@ class IOStream;
 class ASSIMP_API BaseImporter {
     friend class Importer;
 
+private:
+    /* Pushes state into importer for the importer scale */
+    virtual void UpdateImporterScale( Importer* pImp );
+
 public:
 
     /** Constructor to be privately used by #Importer */
@@ -134,7 +138,7 @@ public:
      *  a suitable response to the caller.
      */
     aiScene* ReadFile(
-        const Importer* pImp,
+        Importer* pImp,
         const std::string& pFile,
         IOSystem* pIOHandler
         );
@@ -209,14 +213,6 @@ public:
         return applicationUnits;
     }
 
-    /* Returns scale used by application called by ScaleProcess */
-    double GetImporterScale() const
-    {
-        ai_assert(importerScale != 0);
-        ai_assert(fileScale != 0);
-        return importerScale * fileScale;
-    }
-
     // -------------------------------------------------------------------
     /** Called by #Importer::GetExtensionList for each loaded importer.
      *  Take the extension list contained in the structure returned by
@@ -230,6 +226,7 @@ protected:
     double fileScale = 1.0;
 
 
+
     // -------------------------------------------------------------------
     /** Imports the given file into the given scene structure. The
      * function is expected to throw an ImportErrorException if there is