X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=xeno-drivebay-bracket.scad;h=2073e05264da0591a43615f22469a651d20a739e;hp=66b520ea673100583460646d95865818936baced;hb=52babb66e84b372a20b0d7db544530cc66b8fac9;hpb=721af5823601915ba96703f4b2d4dd9d5c80d7ed

diff --git a/xeno-drivebay-bracket.scad b/xeno-drivebay-bracket.scad
index 66b520e..2073e05 100644
--- a/xeno-drivebay-bracket.scad
+++ b/xeno-drivebay-bracket.scad
@@ -1,47 +1,195 @@
 // -*- C -*-
 
-basel = 20;
-basew = 27;
+basel = 16;
+basew = 24;
 baset = 4.0;
 
-wallt = 4.0;
+wallt = 2.5;
 
 wallh = 42;
 
-baseholesz = 4; // fixme check
-baseholeslot = 4;
+baseholesz = 3.7;
+baseholeslot = 6.5;
+baseholeslop = -0.5;
 
 holeslop = 0.5;
 
-walll = basel;
+webt = 2.5;
+
+pad = false;
+padw = 12;
+
+padt = webt;
+padl = padw;
+padholesz = 3.0;
+
 wallholeh = 6+14+2;
-wallholesz = 3.0; // fixme check
-wallholeslot = 3.0;
+wallholesz = 3.0;
+wallholeslot = 4.5;
 
-module slothole(sz, slot, thick) {
+walll = basel + webt + (pad ? padl : -0.1);
+
+webw = min(basew, pad ? padw : padt);
+
+module slothole(sz, slot, thick, csunk=true, slop=holeslop) {
   hull(){
     for (y = [-slot/2,slot/2]) {
-      translate([0,y,-0.05])
-	cylinder(r1=sz/2 + holeslop,
-		 r2=sz/2+thick + holeslop,
-		 h=thick+0.10);
+      translate([0,y,-0.15])
+	cylinder(r1=sz/2 + slop,
+		 r2=sz/2 + (csunk ? thick : 0) + slop,
+		 h=thick+0.30);
     }
   }
 }
 
-difference(){
-  translate([0, -basew, 0])
-    cube([basel, basew, baset]);
+module Bracket(){
+  difference(){
+    translate([0, -basew, 0])
+      cube([basel, basew, baset]);
+
+    translate([basel/2, -(basew+wallt)/2, 0])
+      slothole(baseholesz, baseholeslot, baset, slop=baseholeslop);
+  }
+
+  difference(){
+    translate([0.1, 0.3, 0.1])
+    rotate([90,0,0]) {
+      linear_extrude(height=wallt){
+	polygon([[0,0],
+		 [0, wallh/2 + wallholesz/2 + wallt + wallt],
+		 [basel, wallh],
+		 [walll, wallh],
+		 [walll, wallh - padt - padt],
+		 [basel + webt, 0]]);
+      }
+    }
+
+    translate([basel/2, 0, wallholeh])
+      rotate([90,90,0])
+      slothole(wallholesz, wallholeslot, wallt, csunk=false);
+  }
 
-  translate([basel/2, -(basew+wallt)/2, 0])
-    slothole(baseholesz, baseholeslot, baset);
+  translate([basel-0.01, 0, 0]) {
+    rotate([90,0,90]) {
+      linear_extrude(height=webt+0.02) {
+	polygon([[-basew, 0],
+		 [-basew, baset],
+		 [-webw, wallh],
+		 [0, wallh],
+		 [0, 0]]);
+      }
+    }
+  }
+
+  if (pad) {
+    translate([basel+webt, -padw, wallh-padt]) {
+      difference(){
+	cube([padl, padw, padt]);
+	translate([padl/2, padw/2, -1])
+	  cylinder(r=padholesz/2 + holeslop, h=padt+2);
+      }
+    }
+  }
 }
 
-difference(){
-  translate([0, -wallt, 0])
-    cube([walll, wallt, wallh]);
+module BracketR(){ ////toplevel
+  rotate([-90,0,0]) Bracket();
+}
 
-  translate([basel/2, 0, wallholeh])
-    rotate([90,0,0])
-    slothole(wallholesz, wallholeslot, wallt);
+module BracketL(){ ////toplevel
+  mirror([1,0,0]) BracketR();
 }
+
+protinnerh = 47;
+protinnerw = 53;
+protd = 45;
+protbaset = 4;
+protwallt = 2;
+protlidt = protwallt;
+protwingd = 28;
+protwingw = 23;
+
+module RearCableProtector(){
+  for (x = [-protwallt, protinnerw]) {
+    translate([x, 0, 0]) {
+      cube([protwallt, protd, protinnerh+protlidt]);
+    }
+  }
+  translate([-(protwallt-0.1), 0, protinnerh])
+    cube([protinnerw + (protwallt-0.1)*2, protd, protlidt]);
+  for (lr = [1,0]) {
+    translate([(lr ? -(protwingw + protwallt) : protinnerw), 0, 0]) {
+      difference(){
+	translate([0, 0, 0])
+	  cube([protwingw, protwingd, protbaset]);
+	translate([protwingw/2, protwingd/2, 0])
+	  rotate([0,0, lr ? 45 : -45])
+	  slothole(baseholesz, baseholeslot, baset, slop=baseholeslop);
+      }
+    }
+  }
+}
+
+module RearCableProtectorT(){ ////toplevel
+  rotate([90,0,0]) RearCableProtector();
+}
+
+chabd = 20;
+chablidw = 40;
+chabinnerh = 11;
+chabwallt = 2;
+chablidt = 2;
+chabwebt = 2.5;
+chabbaset = baset;
+chabbasew = 20;
+chabslot = 3;
+chablidholed = 3;
+chabwebh = 5;
+
+module ChannelBracket(){
+  translate([0, -chabd, 0])
+    cube([chabwallt, chabd, chabinnerh+chablidt]);
+  translate([-chablidw, -chabd, chabinnerh]) {
+    difference(){
+      cube([chablidw + chabwallt - 0.1, chabd - 0.1, chablidt]);
+      translate([chablidw/2, chabd/2, -1])
+	cylinder(r=chablidholed/2, h=chablidt+2, $fn=20);
+    }
+  }
+  translate([chabwallt-0.1, -chabd, 0]) {
+    difference(){
+      cube([chabbasew, chabd-0.1, chabbaset]);
+      translate([chabbasew/2, (chabd-chabwebt)/2, 0])
+	rotate([0,0,90])
+	slothole(baseholesz, chabslot, baset, slop=baseholeslop);
+    }
+  }
+  rotate([90,0,0]) linear_extrude(height=chabwebt) {
+    polygon([[-chablidw, chabinnerh],
+	     [-chablidw, chablidt+chabinnerh],
+	     [-chabwebh, chablidt+chabinnerh+chabwebh],
+	     [+chabwebh, chablidt+chabinnerh+chabwebh],
+	     [+chabbasew, chabbaset],
+	     [+chabbasew, 0],
+	     [0, 0],
+	     [0, chabinnerh]]);
+  }
+}
+
+module ChannelBracketT(){
+  rotate([-90,0,0]) ChannelBracket();
+}
+
+module Kit(){ ////toplevel
+  for (y=[0, -wallh-5]) {
+    translate([0,y,0]) {
+      translate([5,0,0]) BracketR();
+      BracketL();
+    }
+  }
+}
+
+//Kit();
+//BracketR();
+//RearCableProtectorT();
+//ChannelBracketT();