chiark / gitweb /
poster-tube-lid: BayonetCutout rework to RotateProjectSlice
authorIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 8 Oct 2017 01:34:50 +0000 (02:34 +0100)
committerIan Jackson <ijackson@chiark.greenend.org.uk>
Sun, 8 Oct 2017 01:34:50 +0000 (02:34 +0100)
slight functional change only (minor overlap adjustment)

poster-tube-lid.scad

index c4847c91012f4fcaa6c28afe540fc3e067ff52ff..47e6a848f755aca31d5984fc449157dbbf6e40dd 100644 (file)
@@ -112,31 +112,38 @@ module MainProfile(){
           ]);
 }
 
-module BayonetCutoutSlice(offset){
-  rotate([0,0, atan2(offset, main_dia/2 + side_thick) ]){
+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= main_dia*2)
+       linear_extrude(height= nom_rad*2)
        polygon(bayo_polygon);
       translate([0,0, -25])
-       cylinder(h=50, r= main_dia/2 + rivet_tall);
+       cylinder(h=50, r= real_rad);
       translate([0,0, -25])
        linear_extrude(height= 50)
        polygon([ [ 0,0 ],
-                 [ -bayo_slice_size, -main_dia ],
-                 [ +bayo_slice_size, -main_dia ] ]);
+                 [ -slice_size, -real_rad*2 ],
+                 [ +slice_size, -real_rad*2 ] ]);
     }
   }
 }
 
-module BayonetCutout(){
-  offs = [ for (i=[ bayo_c[0] :
-                   bayo_slice_size :
-                   bayo_i[0] + bayo_slice_size ]) i ];
+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)
-    BayonetCutoutSlice(off);
+    RotateProjectSlice(off, slice_size, nom_rad, real_rad);
+}
+
+module BayonetCutout(){
+  RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
+               main_dia/2 + side_thick, 
+               main_dia/2 + rivet_tall);
 }
 
 module ProfilesDemo(){