diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..3f69839
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,45 @@
+language: cpp
+os: linux
+dist: bionic
+sudo: required
+
+addons:
+  apt:
+    sources:
+      - sourceline: "ppa:ubuntu-toolchain-r/test"
+    update: true
+    packages:
+      - libxerces-c3.2
+      - libxerces-c-dev
+      - expat
+      - libexpat1-dev
+      - assimp-utils
+      - libassimp-dev
+      - libassimp-doc
+      - libassimp4
+      - libtet1.5
+      - libtet1.5-dev
+      - tetgen
+      - gcc-9
+      - g++-9
+      #- geant4
+
+before_install:
+  - CC=gcc-9 && CXX=g++-9
+
+install:
+  - cd ${TRAVIS_BUILD_DIR}/..
+  - wget https://www.ikp.uni-koeln.de/~jmayer/github/geant4_10.5.1_amd64.deb
+  - sudo dpkg -i geant4_10.5.1_amd64.deb
+  - source /usr/bin/geant4.sh
+  - git clone -b v1.1 https://github.com/christopherpoole/CADMesh.git ${TRAVIS_BUILD_DIR}/../CADMesh-src
+  - cd ${TRAVIS_BUILD_DIR}/../CADMesh-src
+  - mkdir build && cd build
+  - cmake .. -DWITH_SYS_ASSIMP=ON -DWITH_SYS_TETGEN=ON
+  - make -j8
+  - sudo make install
+  - export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib/
+
+script:
+  - cd $TRAVIS_BUILD_DIR
+  - ./G4Batch.sh
diff --git a/G4Batch.sh b/G4Batch.sh
index 25de92a..46f0e87 100755
--- a/G4Batch.sh
+++ b/G4Batch.sh
@@ -19,8 +19,11 @@ cd ..
 
 
 ## Set CAD Directory
-export G4HORUS_CAD_DIR=`pwd`/cad
-
+if [ -z "${G4HORUS_CAD_DIR}" ]
+then
+	export G4HORUS_CAD_DIR=`pwd`/cad
+fi
+echo "CAD Dir: ${G4HORUS_CAD_DIR}"
 
 ## Create output dir and run full simulation
 mkdir -p out
diff --git a/readme.md b/readme.md
index a96881e..a6c8485 100644
--- a/readme.md
+++ b/readme.md
@@ -1,5 +1,7 @@
 # G4Horus
 
+[![Build Status](https://travis-ci.org/janmayer/G4Horus.svg?branch=master)](https://travis-ci.org/janmayer/G4Horus)
+
 An implementation of the HORUS High-Purity Germanium (HPGe) γ-ray spectrometer and associated equipment in Geant4.
 
 ![G4Horus Default Geometry](doc/g4horus.png)
diff --git a/src/geometries/CADElement.cc b/src/geometries/CADElement.cc
index 3628213..83fa4b3 100644
--- a/src/geometries/CADElement.cc
+++ b/src/geometries/CADElement.cc
@@ -6,8 +6,10 @@ CADElement::CADElement(std::string filename, const std::string& material, const
     : fFilename(std::move(filename))
     , fLV(nullptr)
 {
-    std::cout << "CADElement: Meshing " << GetCadFile(fFilename) << std::endl;
-    auto mesh = CADMesh(GetCadFile(fFilename));
+    const auto file = GetCadFile(fFilename);
+    std::cout << "CADElement: Meshing " << fFilename << "(" << file << ") ..." << std::endl;
+    // This Version of Cadmesh wants and non-const char ...
+    auto mesh = CADMesh(const_cast<char*>(file.c_str()));
     mesh.SetScale(mm);
     fLV = new G4LogicalVolume(mesh.TessellatedMesh(), G4Material::GetMaterial(material), fFilename + "_lV");
     auto va = G4VisAttributes(color);
@@ -21,7 +23,7 @@ void CADElement::Place(G4LogicalVolume* worldLV, G4RotationMatrix* rot, const G4
     new G4PVPlacement(rot, trans, fLV, fFilename + "_pV", worldLV, false, 0, checkOverlaps);
 }
 
-char* CADElement::GetCadFile(const std::string& filename) const
+std::string CADElement::GetCadFile(const std::string& filename) const
 {
     std::string loc;
     const char* path = std::getenv("G4HORUS_CAD_DIR");
@@ -30,6 +32,5 @@ char* CADElement::GetCadFile(const std::string& filename) const
     } else {
         loc = std::string(path) + "/" + filename + ".stl";
     }
-    // This Version of Cadmesh wants and non-const char ...
-    return const_cast<char*>(loc.c_str());
+    return loc;
 }
diff --git a/src/geometries/CADElement.hh b/src/geometries/CADElement.hh
index 86a2c1e..3e268a6 100644
--- a/src/geometries/CADElement.hh
+++ b/src/geometries/CADElement.hh
@@ -13,7 +13,7 @@ class CADElement {
     };
 
   private:
-    char* GetCadFile(const std::string& filename) const;
+    std::string GetCadFile(const std::string& filename) const;
 
     const std::string fFilename;
     G4LogicalVolume* fLV;