diff --git a/scripts/freebsd-build-dependencies.sh b/scripts/freebsd-build-dependencies.sh
new file mode 100755
index 0000000000..4ea61de243
--- /dev/null
+++ b/scripts/freebsd-build-dependencies.sh
@@ -0,0 +1,28 @@
+#!/usr/local/bin/bash -e
+
+echo "Tested on FreeBSD 9. Please see README.md for info on older systems."
+
+if [ "`pkg_info | grep -i cgal `" ]; then
+	echo Stopping. Please remove any CGAL packages you have installed and restart
+	exit
+fi
+
+if [ "`pkg_info | grep -i opencsg`" ]; then
+	echo Stopping. Please remove any OpenCSG packages you have installed and restart
+	exit
+fi
+
+OPENSCADDIR=$PWD
+if [ ! -f $OPENSCADDIR/openscad.pro ]; then
+  echo "Must be run from the OpenSCAD source root directory"
+  exit 0
+fi
+
+. ./scripts/setenv-freebsdbuild.sh
+
+pkg_add -r bison boost-libs cmake git bash eigen2 flex gmake gmp mpfr 
+pkg_add -r xorg libGLU libXmu libXi xorg-vfbserver glew
+pkg_add -r qt4-corelib qt4-gui qt4-moc qt4-opengl qt4-qmake qt4-rcc qt4-uic
+
+BASEDIR=/usr/local ./scripts/linux-build-dependencies.sh cgal-use-sys-libs
+BASEDIR=/usr/local ./scripts/linux-build-dependencies.sh opencsg
diff --git a/scripts/linux-build-dependencies.sh b/scripts/linux-build-dependencies.sh
index 36dc2ee970..bc1e74d77b 100755
--- a/scripts/linux-build-dependencies.sh
+++ b/scripts/linux-build-dependencies.sh
@@ -188,12 +188,18 @@ build_opencsg()
     sed -ibak s/"\-lXmu"/"\-L\/usr\/lib64\/libXmu.so.6"/ src/Makefile 
   fi
 
+  if [ `uname | grep FreeBSD` ]; then
+    sed -ibak s/X11R6/local/g src/Makefile
+   fi
+
   if [ "`command -v qmake-qt4`" ]; then
     qmake-qt4
   else
     qmake
   fi
+
   make
+
   cp -av lib/* $DEPLOYDIR/lib
   cp -av include/* $DEPLOYDIR/include
 }
@@ -235,7 +241,7 @@ if [ ! $NUMCPU ]; then
 fi
 
 if [ ! -d $BASEDIR/bin ]; then
-  mkdir --parents $BASEDIR/bin
+  mkdir -p $BASEDIR/bin
 fi
 
 echo "Using basedir:" $BASEDIR
diff --git a/scripts/setenv-freebsdbuild.sh b/scripts/setenv-freebsdbuild.sh
new file mode 100644
index 0000000000..49f17832ab
--- /dev/null
+++ b/scripts/setenv-freebsdbuild.sh
@@ -0,0 +1,6 @@
+# run with '. ./scripts/setenv-freebsdbuild.sh'
+
+# use in conjuction with freebsd-build-dependencies.sh
+
+QMAKESPEC=freebsd-g++
+QTDIR=/usr/local/share/qt4