diff --git a/masterthesis.cls b/masterthesis.cls
new file mode 100644
index 0000000..02ebc0b
--- /dev/null
+++ b/masterthesis.cls
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+\NeedsTeXFormat{LaTeX2e} % specify required latex format
+\ProvidesClass{masterthesis}[2019/01/03 Masterthesis Class]
+
+% Fallback, pass all unknown options to base class
+\DeclareOption*{
+    \PassOptionsToClass{\CurrentOption}{scrreprt}
+}
+
+% Process given options
+\ProcessOptions\relax
+
+% Load base class
+\LoadClass[a4paper]{scrreprt}
+
+% do some stuff
+
+% mandatory last line
+\endinput