filamenttrestle wip wedges

[reprap-play.git] / filamenttrestle.scad

diff --git a/filamenttrestle.scad b/filamenttrestle.scad
index 3b2c0afb6eb3abd2840b3d4308e68999679c9cc7..57f52ad3f54ec173b26211063d4bf217f3de51c5 100644 (file)
--- a/filamenttrestle.scad
+++ b/filamenttrestle.scad
@@ -1,6 +1,8 @@
 // -*- C -*-
 
 spoolwidth = 80; // fixme needs to be measured
+trestleheight = 80; // fixme needs to be checked
+trestlebase = 80; // fixme needs to be checked
 
 include <doveclip.scad>
 
@@ -11,24 +13,29 @@ guidewidth = 3;
 guiderad = 20;
 
 plugl = 12;
-plugwmin = min(8, DoveClipPairSane_width(2));
+plugwmin = 3;
 plugh = 10;
 plugslope = 0.5;
 plugwmax = plugwmin + plugh * plugslope * 2;
 
+trestlelegw = 10;
+trestlebaseh = 10;
+trestleplugd = 1;
+
+topcylthick = 3;
+topcylbasedepth = 4;
+
 module Plug(d=0){
-  a = atan(plugslope);
+  a = -atan(plugslope);
   tdx = d * cos(a);
   tdy = d * sin(a);
   bdx = d / cos(a);
-  rotate([90,0,90]) linear_extrude(height=plugl+0.1){
-    polygon([[-(plugwmax/2 + bdx),  0],
-            [-(plugwmin/2 + tdx),  plugh + tdy],
-            [+(plugwmin/2 + tdx),  plugh + tdy],
-            [+(plugwmax/2 + bdx),  0]]);
+  translate([-d,0,0]) rotate([90,0,90]) linear_extrude(height=plugl+0.1+d*2){
+    polygon([[-(plugwmin/2 + bdx),  0],
+            [-(plugwmax/2 + tdx),  plugh + tdy],
+            [+(plugwmax/2 + tdx),  plugh + tdy],
+            [+(plugwmin/2 + bdx),  0]]);
   }
-  translate([plugl + DoveClip_depth()*0.7, 0, 0])
-    DoveClipPairSane(count=1, h=plugh-0.1);
 }
 
 module Bar(){
@@ -54,5 +61,41 @@ module Bar(){
   }
 }
 
-Bar();
+module Trestle(){
+  legang = atan2(trestlebase/2, trestleheight);
+  eplen = sqrt(trestleheight*trestleheight + trestlebase*trestlebase*0.25);
+  topcylw = plugwmax + topcylthick*2;
+
+  difference(){
+    union(){
+      for (mir=[0,1]) {
+       mirror([mir,0,0]) {
+         rotate([0,0, -90-legang])
+           ExtenderPillars(length=eplen+trestlelegw,
+                           width=trestlelegw,
+                           height=plugl,
+                           baseweb=true);
+
+         translate([-trestlebase/2, -trestleheight, 0])
+           cylinder(r=trestlelegw/2*1.2, h=plugl);
+       }
+      }
+      translate([-topcylw/2, -topcylbasedepth, 0])
+       cube([topcylw, topcylbasedepth + plugh + topcylthick, plugl]);
+
+      translate([-trestlebase/2, -trestleheight, 0])
+       ExtenderPillars(length=trestlebase, width=trestlebaseh*2, height=plugl);
+    }
+    translate([-300, -trestleheight-50, -1])
+      cube([600, 50, plugl+2]);
+
+    rotate([-90,-90,0])
+      Plug(d=trestleplugd);
+  }
+}
+
+//Bar();
+Trestle();
+
 //Plug(d=1);
+//ExtenderPillars(80,12,8, baseweb=true);