diff --git a/scripts/batch-tests-stl.sh b/scripts/batch-tests-stl.sh
new file mode 100755
index 00000000..bdbe9c2b
--- /dev/null
+++ b/scripts/batch-tests-stl.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+cmd="openscad"
+[ -x "./openscad" ] && cmd="./openscad"
+[ -x "./OpenSCAD.app/Contents/MacOS/OpenSCAD" ] && cmd="./OpenSCAD.app/Contents/MacOS/OpenSCAD"
+
+mkdir -p output
+for f in testdata/scad/*-tests.scad; do
+  echo `basename $f .scad`
+  "$cmd" -s output/`basename $f .scad`.stl $f
+done
+
diff --git a/test-code/batch-cgal-tests.sh b/test-code/batch-cgal-tests.sh
new file mode 100755
index 00000000..8b3a2b51
--- /dev/null
+++ b/test-code/batch-cgal-tests.sh
@@ -0,0 +1,9 @@
+#!/bin/sh
+
+cmd="./cgaltest"
+
+for f in ../testdata/scad/*-tests.scad; do
+  echo == `basename $f .scad` ==
+  "$cmd" "$f"
+done
+
diff --git a/testdata/scad/difference-tests.scad b/testdata/scad/difference-tests.scad
new file mode 100644
index 00000000..f9452460
--- /dev/null
+++ b/testdata/scad/difference-tests.scad
@@ -0,0 +1,4 @@
+difference() {
+  sphere(3);
+  cube([3,3,8], center=true);
+}
diff --git a/testdata/scad/intersection-tests.scad b/testdata/scad/intersection-tests.scad
new file mode 100644
index 00000000..4101b037
--- /dev/null
+++ b/testdata/scad/intersection-tests.scad
@@ -0,0 +1,4 @@
+intersection() {
+  sphere(3);
+  cube([3,3,8], center=true);
+}