X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=crossbar-computer-led-mount.scad;h=535c680599d00addd496d5221d0a191e1425fe70;hp=c3fc8d18b72bc7b4a2bf6177060f5ed026a11838;hb=f25e2ed27d17f0232bda728d5b4daf4f9e38d113;hpb=c0e83a1044c76c82f1e694cf8e600a45bff680e1

diff --git a/crossbar-computer-led-mount.scad b/crossbar-computer-led-mount.scad
index c3fc8d1..535c680 100644
--- a/crossbar-computer-led-mount.scad
+++ b/crossbar-computer-led-mount.scad
@@ -12,34 +12,47 @@ backfront_space_inside = 12;
 width_space_inside = 10;
 
 backfront_mate_size = 25;
-tower_frontheight = 20;
+tower_frontheight = 10;
+tower_base_height = 20;
 tower_slot_width = 3;
 
-cableclamp_ctie_width = 3 + 0.5;
-cableclamp_ctie_thick = 2 + 0.5;
+cableclamp_ctie_width = 4.0 + 1.0;
+cableclamp_ctie_thick = 2.5 + 0.5;
 
-lidclamp_ctie_width = 4.0 + 0.5;
+lidclamp_ctie_width = 4.0 + 1.0;
 lidclamp_ctie_thick = 2.5 + 0.5;
 
-base_ctie_width = 4.0 + 0.5;
+base_ctie_width = 4.0 + 1.0;
 base_ctie_thick = 2.5 + 0.5;
 
-tube_ctie_width = 5 + 0.5;
-tube_ctie_thick = 3 + 0.5;
+tube_ctie_width = 4.0 + 1.0;
+tube_ctie_thick = 2.5 + 0.5;
 
 // tuning
 
 tower_over_angle = 45;
 tower_wall_thick = 1.6;
-tower_base_height = 10;
 tower_forehead_angle = 30;
 lid_wall_thick = 1.6;
 lid_slop = 0.75;
+//cableclamp_ctie_anchor = 5;
+lidclamp_cableclamp_ctie_between = 0;
 base_ctie_anchor = 5;
 tube_ctie_anchor = 5;
 protrusion_size = 2;
 protrusion_none_frontback = 10;
-protrusion_slop = 0.5;
+protrusion_slop = 0.25;
+cableclamp_ctie_z = tower_frontheight/2;
+
+towerleg_backfront = 5;
+towerleg_width = 3;
+towerleg_foot_gap = 2;
+towerleg_foot_backfront = 20;
+towerleg_foot_width = 40;
+towerleg_foot_height = 10;
+towerleg_yslope = 0.7;
+towerleg_xslope = 0.3;
+echo(sqrt(towerleg_yslope*towerleg_yslope+towerleg_xslope*towerleg_xslope));
 
 //--- tests ---
 
@@ -181,20 +194,21 @@ module TowerMain(){
 
 module LedHole(){
   translate([0, led_head_y, led_head_z])
-    rotate([90 + led_angle])
+    rotate([90 + led_angle, 0, 0])
     translate([0,0,-10])
-    cylinder(r=led_dia/2, h=led_depth+0.1+10, $fn=30);
+    cylinder(r=led_dia/2, h=led_depth+1+10, $fn=26, $fa=10);
 }
 
-module Tower(){ ////toplevel
+module TowerProper(){
   difference(){
     TowerMain();
     LedHole();
     // passages for cable ties
     translate([0,
 	       tower_rearwall_y/2,
-	       tower_frontheight/2
-	       + cableclamp_ctie_width/2 + lidclamp_ctie_thick/2])
+	       cableclamp_ctie_z
+	       + cableclamp_ctie_width/2 + lidclamp_ctie_thick/2
+	       + lidclamp_cableclamp_ctie_between])
       cube([50, lidclamp_ctie_width, lidclamp_ctie_thick], center=true);
     translate([0,
 		(backfront_mate_extra+tower_rearwall_y)/2,
@@ -202,9 +216,17 @@ module Tower(){ ////toplevel
 	       + max(protrusion_size + protrusion_slop + 0.1,
 		     base_ctie_anchor_eff)])
       cube([50, base_ctie_width, base_ctie_thick], center=true);
+//    for (extra_y=[0, -(cableclamp_ctie_thick + cableclamp_ctie_anchor)]) {
+//      translate([-tower_width/2,
+//		 -cableclamp_ctie_thick/2 - tower_wall_thick + extra_y,
+//		 cableclamp_ctie_z])
+//	cube([tower_wall_thick+2,
+//	      cableclamp_ctie_thick,
+//	      cableclamp_ctie_width], center=true);
+//    }
     for (mir=[0,1])
-      mirror([mir,0,0]) {
-	translate([tower_width/4, 20, tower_frontheight/2])
+     mirror([mir,0,0]) {
+	translate([tower_width/4, 20, cableclamp_ctie_z])
 	  cube([cableclamp_ctie_thick,
 		tower_wall_thick*2+1+40,
 		cableclamp_ctie_width],
@@ -215,6 +237,28 @@ module Tower(){ ////toplevel
   }
 }
 
+module Tower(){ ////toplevel
+  TowerProper();
+  for (mir=[0,1]) {
+    mirror([mir,0,0]){
+      translate([0,
+		 tower_rearwall_y + 0.1,
+		 -1])
+	mirror([0,0,1])
+	multmatrix([[1,0, towerleg_xslope,0],
+		    [0,1,-towerleg_yslope,0],
+		    [0,0,1,0],
+		    [0,0,0,1]])
+	cube([towerleg_width, towerleg_backfront, tower_base_height-2]);
+    }
+  }
+  translate([-towerleg_foot_width/2,
+	     tower_rearwall_y - towerleg_foot_gap,
+	     -tower_base_height])
+    mirror([0,1,0])
+    cube([towerleg_foot_width, towerleg_foot_backfront, towerleg_foot_height]);
+}
+
 module TowerMainHull(){
   hull(){ TowerMain(); }
 }
@@ -224,11 +268,11 @@ module Lid(){
     difference(){
       minkowski(){
 	TowerMainHull();
-	sphere(r=lid_wall_thick+lid_slop, $fn=4);
+	sphere(r=lid_wall_thick+lid_slop, $fn=8);
       }
       minkowski(){
 	TowerMainHull();
-	sphere(r=lid_slop, $fn=4);
+	sphere(r=lid_slop, $fn=6);
       }
     }
     translate([-50,-50,led_head_z]) cube([100,100,100]);
@@ -251,7 +295,7 @@ module BaseRegistrationProtrusion(extra){
   }
 }
 
-module Base(){ ////toplevel
+module Base(){
   difference(){
     mirror([0,0,1]){
       hull(){
@@ -261,9 +305,9 @@ module Base(){ ////toplevel
 	  cube([base_width, base_backfront, crossbar_dia/2]);
       }
     }
-    translate([-50, base_backfront/2, -base_ctie_anchor_eff])
+    translate([0, base_backfront/2, -base_ctie_anchor_eff])
       cube([100, base_ctie_width, base_ctie_thick], center=true);
-    translate([-50, base_backfront/2, -base_height + tube_ctie_anchor_eff])
+    translate([0, base_backfront/2, -base_height + tube_ctie_anchor_eff])
       cube([100, tube_ctie_width, tube_ctie_thick], center=true);
     translate([0, -1, -(base_height + crossbar_dia/2)])
       rotate([-90,0,0])
@@ -278,6 +322,7 @@ module BaseT(){ ////toplevel
 
 module Demo(){
   Tower();
+  %Lid();
   translate([0,0, 25]) Lid();
   translate([0, tower_rearwall_y, -(tower_base_height+5)]) Base();
 }
@@ -287,7 +332,7 @@ module Demo(){
 //TowerWallFrontEdge();
 //TowerMainHull();
 //LidT();
-Tower();
+//Tower();
 //Lid();
 //BaseRegistrationProtrusion();
 //Base();