diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f6b7955
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+# Mac specific
+**/.DS_Store
+# IDE specific
+.vscode/
+.idea/
+# Build files
+build/*
+
+*.zip
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..9929cd5
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,35 @@
+#----------------------------------------------#
+#-----Konfiguration des Buildsystems CMake-----#
+#----------------------------------------------#
+# Minimale Version des Buildsystems
+cmake_minimum_required(VERSION 3.16)
+# Name des Projekts
+project(LrcLibSync)
+#----------------------------------------------#
+#-------------------Optionen-------------------#
+#----------------------------------------------#
+# Setzte verwendeten C++-Standard auf C++17
+set(CMAKE_CXX_STANDARD 17)
+# Optional: Baue mit Debugsymbolen / Optimierung
+set(CMAKE_BUILD_TYPE Debug)
+
+#set(CMAKE_BUILD_TYPE Release)
+add_compile_options(-fsanitize=address)
+add_link_options(-fsanitize=address)
+# Füge Includeverzeichnisse hinzu
+include_directories(include)
+# Legt die Variable SRC_FILES an, die alle
+# .cpp-Dateien des Projekts benennt,
+# die in Verzeichnis src/ liegen.
+file(GLOB SRC_FILES
+  ${PROJECT_SOURCE_DIR}/src/*.cpp)
+
+# Use CMakes FetchContent
+# Workaround for CMake >= 3.24
+# Avoid warning about DOWNLOAD_EXTRACT_TIMESTAMP
+if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.24.0")
+  cmake_policy(SET CMP0135 NEW)
+endif()
+
+
+add_executable(erstertest src/main.cpp ${SRC_FILES})
diff --git a/help.md b/help.md
new file mode 100644
index 0000000..2dcbc74
--- /dev/null
+++ b/help.md
@@ -0,0 +1,6 @@
+in the main directory run 
+# cmake -S . -B build
+once. 
+After that run 
+# cmake --build build
+each time something changes. 
\ No newline at end of file
diff --git a/include/cube.hpp b/include/cube.hpp
new file mode 100644
index 0000000..accf0ee
--- /dev/null
+++ b/include/cube.hpp
@@ -0,0 +1,7 @@
+class cube
+{
+public:
+    int linkeecke;
+    int rechteecke;
+    cube();
+};
\ No newline at end of file
diff --git a/src/cube.cpp b/src/cube.cpp
new file mode 100644
index 0000000..3d88a43
--- /dev/null
+++ b/src/cube.cpp
@@ -0,0 +1,7 @@
+#include "../include/cube.hpp"
+
+cube::cube()
+{
+    linkeecke = 12;
+    rechteecke = 33;
+}
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..8e3d15a
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+#include "../include/cube.hpp"
+
+int main()
+{
+    std::cout << "so und nicht anders" << std::endl;
+    cube erstercube;
+    std::cout << erstercube.linkeecke << std::endl;
+    return 0;
+}
\ No newline at end of file