X-Git-Url: http://git.hcoop.net/clinton/3d-models.git/blobdiff_plain/244fc8f0fd3809dc88f93365d82f23aea05925db..5d6b539aae4f4b8664178ec7198dc978defff625:/acorn/acorn-threads.scad

diff --git a/acorn/acorn-threads.scad b/acorn/acorn-threads.scad
index 1abc99e..50eb524 100644
--- a/acorn/acorn-threads.scad
+++ b/acorn/acorn-threads.scad
@@ -5,10 +5,15 @@ use <screw_threads.scad> // http://www.thingiverse.com/thing:1686322
 
 AUTO_CALCULATE = -1;
 
+acorn_parts = [ "body", "cap", "gasket" ];
+
 internal_thread_tolerance = 0.3;
 external_thread_tolerance = 0.2;
 thread_angle = 50;
 
+
+function contains (x, lst) = len([ for (i = lst) if (x == i) i]) > 0;
+
 module acorn (thread_pitch = 3.0,
 	      thread_size = 2.5,
 	      thread_height = 3.5,
@@ -98,9 +103,12 @@ module acorn (thread_pitch = 3.0,
      }
 
      module nuts () {
-	  translate ([outer_d+10, 0, 0,])  nut ();
-	  cap ();
-	  translate ([-(outer_d+10), 0, 0,])  gasket ();
+	  if (contains ("body", acorn_parts))
+	       translate ([outer_d+10, 0, 0,])  nut ();
+	  if (contains ("cap", acorn_parts))
+	       cap ();
+	  if (contains ("gasket", acorn_parts))
+	      translate ([-(outer_d+10), 0, 0,])  gasket ();
      }
 
      nuts ();