From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 8 Oct 2017 01:37:38 +0000 (+0100)
Subject: poster-tube-lid: BayonetCutout abstract out polygon as child (nfc)
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=27a879e342a9e8fa0b6b261e5da33f982d6f1976;p=reprap-play.git

poster-tube-lid: BayonetCutout abstract out polygon as child (nfc)
---

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index 86c1483..eaa686d 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -112,14 +112,14 @@ module MainProfile(){
 	   ]);
 }
 
-module RotateProjectSlice(offset, poly, slice_size, nom_rad, real_rad){
+module RotateProjectSlice(offset, slice_size, nom_rad, real_rad){
   // nom_rad > real_rad
   rotate([0,0, atan2(offset, nom_rad) ]){
     intersection(){
       translate([-offset, -10, 0])
 	rotate([90,0,0])
 	linear_extrude(height= nom_rad*2)
-	polygon(poly);
+	children(0);
       translate([0,0, -25])
 	cylinder(h=50, r= real_rad);
       translate([0,0, -25])
@@ -131,20 +131,21 @@ module RotateProjectSlice(offset, poly, slice_size, nom_rad, real_rad){
   }
 }
 
-module RotateProject(poly, x_min, x_max, slice_size, nom_rad, real_rad){
+module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
   offs = [ for (i=[ x_min :
 		    slice_size :
 		    x_max + slice_size ]) i ];
   echo (offs);
   for (off=offs)
-    RotateProjectSlice(off, poly, slice_size, nom_rad, real_rad);
+    RotateProjectSlice(off, slice_size, nom_rad, real_rad)
+    children(0);
 }
 
 module BayonetCutout(){
-  RotateProject(bayo_polygon,
-		bayo_c[0], bayo_i[0], bayo_slice_size,
+  RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
 		main_dia/2 + side_thick, 
-		main_dia/2 + rivet_tall);
+		main_dia/2 + rivet_tall)
+    polygon(bayo_polygon);
 }
 
 module ProfilesDemo(){