diff --git a/PyTeX/build/build/__init__.py b/PyTeX/build/build/__init__.py
new file mode 100644
index 0000000..b084ded
--- /dev/null
+++ b/PyTeX/build/build/__init__.py
@@ -0,0 +1,2 @@
+from .build_dir_spec import BuildDirSpecification
+from .builder import PyTeXBuilder
diff --git a/PyTeX/build/config/global_config.py b/PyTeX/build/build/build_dir_spec.py
similarity index 75%
rename from PyTeX/build/config/global_config.py
rename to PyTeX/build/build/build_dir_spec.py
index ffb9c5c..7e0090f 100644
--- a/PyTeX/build/config/global_config.py
+++ b/PyTeX/build/build/build_dir_spec.py
@@ -1,6 +1,5 @@
 from pathlib import Path, PurePath
 from typing import Optional
-from PyTeX.format.formatting_config import FormattingConfig
 
 from ..enums import PyTeXRootDirType
 
@@ -52,19 +51,3 @@ class BuildDirSpecification:
         raise NotImplementedError
 
 
-class PyTeXBuilder:
-    def __init__(
-            self,
-            build_dir_spec: BuildDirSpecification
-    ):
-        self._build_spec: BuildDirSpecification = None
-
-        self._default_formatting_config: Optional[FormattingConfig] = None
-
-        self._recursive: bool = True
-        self._overwrite_existing_files: bool = False
-        self._clean_old_files: True
-
-        self._allow_dirty: bool = False
-
-
diff --git a/PyTeX/build/build/builder.py b/PyTeX/build/build/builder.py
new file mode 100644
index 0000000..64a13d8
--- /dev/null
+++ b/PyTeX/build/build/builder.py
@@ -0,0 +1,20 @@
+from typing import Optional
+
+from PyTeX.build.build import BuildDirSpecification
+from PyTeX.format.formatting_config import FormattingConfig
+
+
+class PyTeXBuilder:
+    def __init__(
+            self,
+            build_dir_spec: BuildDirSpecification
+    ):
+        self._build_spec: BuildDirSpecification = None
+
+        self._default_formatting_config: Optional[FormattingConfig] = None
+
+        self._recursive: bool = True
+        self._overwrite_existing_files: bool = False
+        self._clean_old_files: True
+
+        self._allow_dirty: bool = False
\ No newline at end of file
diff --git a/PyTeX/build/config/__init__.py b/PyTeX/build/config/__init__.py
deleted file mode 100644
index 10e4aa3..0000000
--- a/PyTeX/build/config/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .global_config import PyTeXBuilder, BuildDirSpecification
diff --git a/PyTeX/tmp/pytex_path.py b/PyTeX/tmp/pytex_path.py
index 35a2a51..83d844e 100644
--- a/PyTeX/tmp/pytex_path.py
+++ b/PyTeX/tmp/pytex_path.py
@@ -1,5 +1,5 @@
 from pathlib import Path, PurePath, PurePosixPath, PureWindowsPath
-from PyTeX.build.config.global_config import PyTeXBuilder
+from PyTeX.build.build import PyTeXBuilder
 from PyTeX.build.enums.enums import PyTeXRootDirType
 import os
 
diff --git a/main.py b/main.py
new file mode 100644
index 0000000..2532040
--- /dev/null
+++ b/main.py
@@ -0,0 +1,37 @@
+from pathlib import Path
+from PyTeX.build.build import PyTeXBuilder
+from PyTeX.build.build.build_dir_spec import BuildDirSpecification
+from PyTeX.build.enums import *
+from PyTeX.build.paths import RelativePath
+
+
+spec = BuildDirSpecification(
+    source_root=Path('src'),
+    tex_root=Path('build/source'),
+    build_root=Path('build'),
+    doc_root=Path('build/doc'),
+    wrapper_dir=Path('mkessler')
+)
+
+builder = PyTeXBuilder(
+    build_dir_spec=spec
+)
+
+
+p: RelativePath = RelativePath(Path('src'), 'src/hello/bla')
+
+rel = p.relative_path
+
+q = p / 'test'
+
+re2 = q.relative_path
+
+p2 = RelativePath(Path('doc'), 'build/doc/mkessler/hello/bla')
+
+p3 = p / p2
+
+
+p4 = p.with_name('myname')
+
+
+print(p)