X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=cable-hole-trunking-cover.scad;h=ed2bc31534d42b20673b0fbf58d245991d483ba8;hp=c8a5606c6ebce85b5d161f37348cf5cfbcdce9c4;hb=3db5630259f06c51cf1548dfab2f5154bf555ab3;hpb=c21fcdf57063dc92e5aec2105b79b93778ae6973

diff --git a/cable-hole-trunking-cover.scad b/cable-hole-trunking-cover.scad
index c8a5606..ed2bc31 100644
--- a/cable-hole-trunking-cover.scad
+++ b/cable-hole-trunking-cover.scad
@@ -1,14 +1,30 @@
 // -*- C -*-
 
-basex = 30;
-basey = 45;
+holedia = 25;
+tapethick = 1.5;
+cutoutsz= 15;
+innerz = 11;
 
-bevelz = 3;
+sidesflatbase = 2;
+endsflatbase = 8;
+
+basex = holedia + endsflatbase*2;
+basey = holedia + sidesflatbase*2;
+
+bevely = 2.75;
 bevelslope = 0.75;
-bevely = bevelz * bevelslope;
+bevelz = bevely / bevelslope;;
+basebevelt = 3;
+
+sideslop = 0.5;
 
 basebaset = 2;
-basebevelt = 3;
+sidewallt = 2;
+
+lidt = 1.3;
+endwallt = 2;
+zslop = 0.75;
+endslop = 0.75;
 
 module sheared_cube(sz, xperz, yperz) {
   multmatrix([[1,0,xperz,0],
@@ -18,14 +34,86 @@ module sheared_cube(sz, xperz, yperz) {
     cube(sz);
 }
 
-module Base(){
-  translate([0, basey-basebevelt, 0])
-    sheared_cube([basex, basebevelt, bevelz], 0, bevelslope);
-  sheared_cube([basex, basebevelt, bevelz], 0, -bevelslope);
-  cube([basex, basey, basebaset]);
-//  sheared_cube([10,20,30], 0.5, 3);
-//  cube([basew, baseh, 0.1]);
-//  translate([
+module Base(cutouty){
+  echo(cutouty);
+  difference(){
+    union(){
+      for (mir=[0,1]) mirror([0,mir,0]) {
+	translate([0, basey/2 - basebevelt, 0])
+	  sheared_cube([basex, basebevelt, bevelz], 0, bevelslope);
+	cube([basex, basey/2, basebaset]);
+      }
+    }
+    translate([basex/2, 0, -1])
+      cylinder(r=holedia/2, h=bevelz+2);
+  }
+  rotate([90, 0, 90]) {
+    linear_extrude(height=endwallt) {
+      difference(){
+	for (mir=[0,1]) mirror([mir,0,0]) {
+	    polygon([[-0.1,             0],
+		     [basey/2,          0],
+		     [basey/2 + bevely, bevelz],
+		     [basey/2 + bevely, innerz],
+		     [-0.1,             innerz]]);
+	}
+	translate([cutouty, 0])
+	  square(size=[cutoutsz, 3*innerz], center=true);
+      }
+    }
+  }
+}
+
+module Lid(){
+  lidx = basex + endslop + endwallt;
+  for (mir=[0,1]) mirror([0,mir,0]) {
+    translate([0, basey/2 + sideslop + bevely, 0])
+      rotate([90,0,90])
+      linear_extrude(height = lidx)
+      polygon([[0,         0],
+	       [-bevely,   0],
+	       [0,         bevelz],
+	       [0,         innerz + lidt + zslop],
+	       [sidewallt, innerz + lidt + zslop],
+	       [sidewallt, -tapethick],
+	       [0,         -tapethick]]);
+    translate([0, -1, innerz + zslop])
+      cube([lidx, 1 + basey/2 + sideslop + bevely + sidewallt, lidt]);
+    translate([basex + endslop, -1, -tapethick])
+      cube([endwallt, 1 + basey/2 + sideslop + bevely + sidewallt,
+	    tapethick + innerz + zslop + 0.1]);
+  }
+}
+
+module LidT(){ ////toplevel
+  rotate([180,0,0]) Lid();
+}
+
+module BaseCMid(){ ////toplevel
+  Base(0);
+}
+
+module BaseCTop(){ ////toplevel
+  Base(basey/2 + bevely - cutoutsz/2);
+}
+
+module BaseCBot(){ ////toplevel
+  Base(-(basey/2 + bevely - cutoutsz/2));
+}
+
+module BaseCNone(){ ////toplevel
+  Base(basey);
+}
+
+module Demo(){ ////toplevel
+  BaseCTop();
+  %Lid();
 }
 
-Base();
+//BaseCTop();
+//BaseCMid();
+//BaseCBot();
+//BaseCNone();
+//Lid();
+//LidT();
+//Demo();