diff --git a/code/nel/tools/pipeline/plugin_library/pipeline_process.h b/code/nel/tools/pipeline/plugin_library/pipeline_process.h
index 68256407d..10acabbbe 100644
--- a/code/nel/tools/pipeline/plugin_library/pipeline_process.h
+++ b/code/nel/tools/pipeline/plugin_library/pipeline_process.h
@@ -96,6 +96,10 @@ public:
 	virtual bool needsToBeRebuilt(const std::vector<std::string> &inputPaths) = 0;
 	bool needsToBeRebuilt(const std::string &inputPath) { std::vector<std::string> inputPaths; inputPaths.push_back(inputPath); return needsToBeRebuilt(inputPaths); }
 
+	/// Create directories for paths. Call for output paths
+	virtual void makePaths(const std::vector<std::string> &outputPaths) = 0;
+	void makePaths(const std::string &outputPath) { std::vector<std::string> outputPaths; outputPaths.push_back(outputPath); makePaths(outputPaths); }
+
 	/// Parse the depend and error logs. Only set writeOutputMeta true if the output is not known in advance by the plugin, see needsToBeRebuilt
 	virtual void parseToolLog(const std::string &dependLogFile, const std::string &errorLogFile, bool writeOutputMeta) = 0;
 
diff --git a/code/nel/tools/pipeline/plugin_nel/process_interface.cpp b/code/nel/tools/pipeline/plugin_nel/process_interface.cpp
index 9d8f07732..9f7b5de82 100644
--- a/code/nel/tools/pipeline/plugin_nel/process_interface.cpp
+++ b/code/nel/tools/pipeline/plugin_nel/process_interface.cpp
@@ -54,6 +54,14 @@ CProcessInterface::~CProcessInterface()
 void CProcessInterface::buildAtlas(const std::vector<std::string> &srcDirectories, const std::string &dstFile)
 {
 	nldebug("Build atlas '%s'", dstFile.c_str());
+	std::stringstream ss;
+	ss << "build_interface " << dstFile;
+	for (std::vector<std::string>::const_iterator it = srcDirectories.begin(), end = srcDirectories.end(); it != end; ++it)
+	{
+		const std::string &path = *it;
+		ss << " " << path;
+	}
+	system(ss.str().c_str());
 }
 
 void CProcessInterface::build()
@@ -78,16 +86,13 @@ void CProcessInterface::build()
 					ss << "Interface.Atlas[" << i << "].DstFile";
 					if (!m_PipelineProcess->getValue(dstFile, ss.str())) break;
 				}
-				// GO
 				if (m_PipelineProcess->needsToBeRebuilt(srcDirectories, dstFile))
 				{
-					// TODO
-					nldebug("Need to rebuild");
+					m_PipelineProcess->makePaths(dstFile);
+					buildAtlas(srcDirectories, dstFile);
 					m_PipelineProcess->parseToolLog("", "", false);
 				}
-				else nldebug("Don't need to rebuild");
-				if (m_PipelineProcess->needsExit())
-					return;
+				if (m_PipelineProcess->needsExit()) return;
 			}
 		}
 	}
diff --git a/code/nel/tools/pipeline/service/pipeline_process_impl.cpp b/code/nel/tools/pipeline/service/pipeline_process_impl.cpp
index 245125e1b..87b822b44 100644
--- a/code/nel/tools/pipeline/service/pipeline_process_impl.cpp
+++ b/code/nel/tools/pipeline/service/pipeline_process_impl.cpp
@@ -35,6 +35,7 @@
 #include <nel/misc/time_nl.h>
 #include <nel/misc/app_context.h>
 #include <nel/misc/debug.h>
+#include <nel/misc/path.h>
 
 // Project includes
 #include "pipeline_service.h"
@@ -90,6 +91,7 @@ std::string CPipelineProcessImpl::getTempDirectory()
 		ss << rand();
 		ss << PIPELINE_DIRECTORY_TEMP_SUFFIX;
 		ss << "/";
+		NLMISC::CFile::createDirectoryTree(ss.str());
 		return ss.str();
 	}
 	else
@@ -137,6 +139,22 @@ bool CPipelineProcessImpl::getValueNb(uint &result, const std::string &name)
 	}
 }
 
+void CPipelineProcessImpl::makePaths(const std::vector<std::string> &outputPaths)
+{
+	for (std::vector<std::string>::const_iterator it = outputPaths.begin(), end = outputPaths.end(); it != end; ++it)
+	{
+		const std::string &path = *it;
+		if (path[path.size() - 1] == '/') // isDirectory
+		{
+			NLMISC::CFile::createDirectoryTree(path);
+		}
+		else
+		{
+			NLMISC::CFile::createDirectoryTree(NLMISC::CFile::getPath(path));
+		}
+	}
+}
+
 } /* namespace PIPELINE */
 
 /* end of file */
diff --git a/code/nel/tools/pipeline/service/pipeline_process_impl.h b/code/nel/tools/pipeline/service/pipeline_process_impl.h
index 9a376daee..025712ff8 100644
--- a/code/nel/tools/pipeline/service/pipeline_process_impl.h
+++ b/code/nel/tools/pipeline/service/pipeline_process_impl.h
@@ -67,6 +67,8 @@ public:
 	virtual bool needsToBeRebuilt(const std::vector<std::string> &inputPaths, const std::vector<std::string> &outputPaths);
 	virtual bool needsToBeRebuilt(const std::vector<std::string> &inputPaths);
 
+	virtual void makePaths(const std::vector<std::string> &outputPaths);
+
 	virtual void parseToolLog(const std::string &dependLogFile, const std::string &errorLogFile, bool writeOutputMeta);
 
 	virtual bool needsExit();
diff --git a/code/nel/tools/pipeline/service/pipeline_project.cpp b/code/nel/tools/pipeline/service/pipeline_project.cpp
index 1ee4067a6..c9f8e78c8 100644
--- a/code/nel/tools/pipeline/service/pipeline_project.cpp
+++ b/code/nel/tools/pipeline/service/pipeline_project.cpp
@@ -225,6 +225,7 @@ std::string CPipelineProject::getTempDirectory()
 		ss << rand();
 		ss << PIPELINE_DIRECTORY_TEMP_SUFFIX;
 		ss << "/";
+		NLMISC::CFile::createDirectoryTree(ss.str());
 		m_TempDirectory = ss.str();
 	}
 	return m_TempDirectory;