Add script to download dependencies

Author: pieterbos

download_dependencies.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+# download dependencies
+if [ ! -e scad-utils ]; then
+    git clone https://github.com/openscad/scad-utils.git
+fi
+if [ ! -e list-comprehension-demos ]; then
+    git clone https://github.com/openscad/list-comprehension-demos.git
+fi
+if [ ! -e Curved_Pipe_Library_for_OpenSCAD/curvedPipe.scad ]; then
+    mkdir -p Curved_Pipe_Library_for_OpenSCAD
+    wget -O Curved_Pipe_Library_for_OpenSCAD/curvedPipe.scad \
+        http://www.thingiverse.com/download:170713
+    wget -O Curved_Pipe_Library_for_OpenSCAD/moreShapes.scad \
+        http://www.thingiverse.com/download:170714
+    wget -O Curved_Pipe_Library_for_OpenSCAD/vector.scad \
+        http://www.thingiverse.com/download:170715
+    wget -O Curved_Pipe_Library_for_OpenSCAD/maths.scad \
+        http://www.thingiverse.com/download:170716
+fi