diff --git a/ntrfc/.editorconfig b/.editorconfig
similarity index 100%
rename from ntrfc/.editorconfig
rename to .editorconfig
diff --git a/ntrfc/.gitignore b/.gitignore
similarity index 98%
rename from ntrfc/.gitignore
rename to .gitignore
index 4c915d144e4439679f75a551bbfc014439e8fa0a..c5cb08d44e19ced01407866ef3fedc38ffb1de94 100644
--- a/ntrfc/.gitignore
+++ b/.gitignore
@@ -104,3 +104,4 @@ ENV/
 # IDE settings
 .vscode/
 .idea/
+/.snakemake/
diff --git a/ntrfc/.travis.yml b/.travis.yml
similarity index 100%
rename from ntrfc/.travis.yml
rename to .travis.yml
diff --git a/ntrfc/AUTHORS.rst b/AUTHORS.rst
similarity index 100%
rename from ntrfc/AUTHORS.rst
rename to AUTHORS.rst
diff --git a/ntrfc/CONTRIBUTING.rst b/CONTRIBUTING.rst
similarity index 100%
rename from ntrfc/CONTRIBUTING.rst
rename to CONTRIBUTING.rst
diff --git a/ntrfc/HISTORY.rst b/HISTORY.rst
similarity index 100%
rename from ntrfc/HISTORY.rst
rename to HISTORY.rst
diff --git a/ntrfc/LICENSE b/LICENSE
similarity index 100%
rename from ntrfc/LICENSE
rename to LICENSE
diff --git a/ntrfc/MANIFEST.in b/MANIFEST.in
similarity index 100%
rename from ntrfc/MANIFEST.in
rename to MANIFEST.in
diff --git a/ntrfc/Makefile b/Makefile
similarity index 100%
rename from ntrfc/Makefile
rename to Makefile
diff --git a/ntrfc/README.rst b/README.rst
similarity index 93%
rename from ntrfc/README.rst
rename to README.rst
index 0d088297a14f1348d386d294041a6cca9e7c235c..bfc4fd08ad96be25c6f33c7ff01754778c6cb3b1 100644
--- a/ntrfc/README.rst
+++ b/README.rst
@@ -27,6 +27,8 @@ Installation
 install using 'pip install ntrfc'
 or install using 'python -m setup install'
 
+use 'pip install -v requirements_dev' to install development-packages
+
 Features
 --------
 
diff --git a/ntrfc/docs/Makefile b/docs/Makefile
similarity index 100%
rename from ntrfc/docs/Makefile
rename to docs/Makefile
diff --git a/ntrfc/docs/authors.rst b/docs/authors.rst
similarity index 100%
rename from ntrfc/docs/authors.rst
rename to docs/authors.rst
diff --git a/ntrfc/docs/conf.py b/docs/conf.py
similarity index 100%
rename from ntrfc/docs/conf.py
rename to docs/conf.py
diff --git a/ntrfc/docs/contributing.rst b/docs/contributing.rst
similarity index 100%
rename from ntrfc/docs/contributing.rst
rename to docs/contributing.rst
diff --git a/ntrfc/docs/history.rst b/docs/history.rst
similarity index 100%
rename from ntrfc/docs/history.rst
rename to docs/history.rst
diff --git a/ntrfc/docs/index.rst b/docs/index.rst
similarity index 100%
rename from ntrfc/docs/index.rst
rename to docs/index.rst
diff --git a/ntrfc/docs/installation.rst b/docs/installation.rst
similarity index 100%
rename from ntrfc/docs/installation.rst
rename to docs/installation.rst
diff --git a/ntrfc/docs/make.bat b/docs/make.bat
similarity index 100%
rename from ntrfc/docs/make.bat
rename to docs/make.bat
diff --git a/ntrfc/docs/readme.rst b/docs/readme.rst
similarity index 100%
rename from ntrfc/docs/readme.rst
rename to docs/readme.rst
diff --git a/ntrfc/docs/usage.rst b/docs/usage.rst
similarity index 100%
rename from ntrfc/docs/usage.rst
rename to docs/usage.rst
diff --git a/ntrfc/examples/gwk_compressor/00_resources/profile_pointcloud.txt b/examples/gwk_compressor/00_resources/profile_pointcloud.txt
similarity index 100%
rename from ntrfc/examples/gwk_compressor/00_resources/profile_pointcloud.txt
rename to examples/gwk_compressor/00_resources/profile_pointcloud.txt
diff --git a/ntrfc/examples/seehausen_turbine/00_resources/profile_pointcloud.txt b/examples/seehausen_turbine/00_resources/profile_pointcloud.txt
similarity index 100%
rename from ntrfc/examples/seehausen_turbine/00_resources/profile_pointcloud.txt
rename to examples/seehausen_turbine/00_resources/profile_pointcloud.txt
diff --git a/ntrfc/ntrfc/__init__.py b/ntrfc/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/__init__.py
rename to ntrfc/__init__.py
diff --git a/ntrfc/ntrfc/ntrfc.py b/ntrfc/ntrfc.py
similarity index 100%
rename from ntrfc/ntrfc/ntrfc.py
rename to ntrfc/ntrfc.py
diff --git a/ntrfc/ntrfc/postprocessing/__init__.py b/ntrfc/postprocessing/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/postprocessing/__init__.py
rename to ntrfc/postprocessing/__init__.py
diff --git a/ntrfc/ntrfc/preprocessing/__init__.py b/ntrfc/preprocessing/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/preprocessing/__init__.py
rename to ntrfc/preprocessing/__init__.py
diff --git a/ntrfc/ntrfc/preprocessing/case_creation/__init__.py b/ntrfc/preprocessing/case_creation/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/preprocessing/case_creation/__init__.py
rename to ntrfc/preprocessing/case_creation/__init__.py
diff --git a/ntrfc/ntrfc/preprocessing/geometry_creation/__init__.py b/ntrfc/preprocessing/geometry_creation/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/preprocessing/geometry_creation/__init__.py
rename to ntrfc/preprocessing/geometry_creation/__init__.py
diff --git a/ntrfc/ntrfc/preprocessing/mesh_creation/__init__.py b/ntrfc/preprocessing/mesh_creation/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/preprocessing/mesh_creation/__init__.py
rename to ntrfc/preprocessing/mesh_creation/__init__.py
diff --git a/ntrfc/ntrfc/utils/__init__.py b/ntrfc/utils/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/utils/__init__.py
rename to ntrfc/utils/__init__.py
diff --git a/ntrfc/ntrfc/utils/geometry/__init__.py b/ntrfc/utils/geometry/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/utils/geometry/__init__.py
rename to ntrfc/utils/geometry/__init__.py
diff --git a/ntrfc/ntrfc/utils/math/__init__.py b/ntrfc/utils/math/__init__.py
similarity index 100%
rename from ntrfc/ntrfc/utils/math/__init__.py
rename to ntrfc/utils/math/__init__.py
diff --git a/ntrfc/requirements.txt b/requirements.txt
similarity index 100%
rename from ntrfc/requirements.txt
rename to requirements.txt
diff --git a/ntrfc/requirements_dev.txt b/requirements_dev.txt
similarity index 92%
rename from ntrfc/requirements_dev.txt
rename to requirements_dev.txt
index 2444893938b105c6adc0c15fce23ead647215265..ba01a8cc6b8163286a3365ab9ca933b201a10a49 100644
--- a/ntrfc/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,4 +1,4 @@
-pip==19.2.3
+pip=21.3.1
 pytest==6.2.4
 snakemake==6.12.3
 matplotlib==3.3.4
diff --git a/ntrfc/setup.cfg b/setup.cfg
similarity index 100%
rename from ntrfc/setup.cfg
rename to setup.cfg
diff --git a/ntrfc/setup.py b/setup.py
similarity index 100%
rename from ntrfc/setup.py
rename to setup.py
diff --git a/ntrfc/snakepipes/animationcase_creation/Snakefile b/snakepipes/animationcase_creation/Snakefile
similarity index 100%
rename from ntrfc/snakepipes/animationcase_creation/Snakefile
rename to snakepipes/animationcase_creation/Snakefile
diff --git a/ntrfc/snakepipes/case_creation/Snakefile b/snakepipes/case_creation/Snakefile
similarity index 100%
rename from ntrfc/snakepipes/case_creation/Snakefile
rename to snakepipes/case_creation/Snakefile
diff --git a/ntrfc/snakepipes/geometry_creation/Snakefile b/snakepipes/geometry_creation/Snakefile
similarity index 100%
rename from ntrfc/snakepipes/geometry_creation/Snakefile
rename to snakepipes/geometry_creation/Snakefile
diff --git a/ntrfc/snakepipes/mesh_creation/Snakefile b/snakepipes/mesh_creation/Snakefile
similarity index 100%
rename from ntrfc/snakepipes/mesh_creation/Snakefile
rename to snakepipes/mesh_creation/Snakefile
diff --git a/ntrfc/snakepipes/postprocessing/Snakefile b/snakepipes/postprocessing/Snakefile
similarity index 100%
rename from ntrfc/snakepipes/postprocessing/Snakefile
rename to snakepipes/postprocessing/Snakefile
diff --git a/ntrfc/tests/__init__.py b/tests/__init__.py
similarity index 100%
rename from ntrfc/tests/__init__.py
rename to tests/__init__.py
diff --git a/ntrfc/tests/test_ntrfc.py b/tests/test_ntrfc.py
similarity index 100%
rename from ntrfc/tests/test_ntrfc.py
rename to tests/test_ntrfc.py
diff --git a/ntrfc/tests/test_ntrfc_case.py b/tests/test_ntrfc_case.py
similarity index 100%
rename from ntrfc/tests/test_ntrfc_case.py
rename to tests/test_ntrfc_case.py
diff --git a/ntrfc/tests/test_ntrfc_geometry.py b/tests/test_ntrfc_geometry.py
similarity index 100%
rename from ntrfc/tests/test_ntrfc_geometry.py
rename to tests/test_ntrfc_geometry.py
diff --git a/ntrfc/tests/test_ntrfc_job.py b/tests/test_ntrfc_job.py
similarity index 100%
rename from ntrfc/tests/test_ntrfc_job.py
rename to tests/test_ntrfc_job.py
diff --git a/ntrfc/tests/test_ntrfc_math.py b/tests/test_ntrfc_math.py
similarity index 100%
rename from ntrfc/tests/test_ntrfc_math.py
rename to tests/test_ntrfc_math.py
diff --git a/ntrfc/tox.ini b/tox.ini
similarity index 100%
rename from ntrfc/tox.ini
rename to tox.ini