- README.rst: nice images

- .gitignore

docs/thread.scad

@@ -0,0 +1,15 @@
+/*
+Create nice previews for documentation
+
+:Author: Adrian Schlatter
+:Date: 2019-04-13
+:License: 3-Clause BSD. See LICENSE.
+*/
+
+use <threadlib/threadlib.scad>
+
+type = "G1/2-ext";
+turns = 10;
+higbee_arc = 45;
+
+thread(type, turns, higbee_arc=higbee_arc);