flyscreen-handle: LeverSects wip, before bodge P3b

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 72add71a5160c53c0193b2ab6ef1ef843269a876..38c3dea3517f3e98c3f75ddd34afa0afa26c5ee8 100644 (file)
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -16,6 +16,7 @@ outend_height = 3;
 
 outside_pushh = 4;
 outside_pushslope = 1.4;
+outside_push_inadj = 0.82;
 
 ourcirc_r = 0.5 / 2;
 
@@ -27,7 +28,7 @@ inside_h_xgap = 1;
 pivot_r = 2;
 pivot_slop = 0.25;
 
-width = 10;
+width = 5;
 
 // calculated
 
@@ -42,16 +43,18 @@ p4p5d = [edge_or + ourcirc_r, 0];
 
 P0 = [ pivot_x, pivoting_gap ];
 P4 = Q0 - p4p5d;
-P3 = [ P4[0], Q0[1] - openingedge_dia/2 + opening_protrh
-       - intooth_top_slop - ourcirc_r ];
+P3t = [ P4[0], Q0[1] - openingedge_dia/2 + opening_protrh
+       - intooth_top_slop - ourcirc_r ];
 P2 = P4 + [ -(inside_len - ourcirc_r*2), 0 ];
-P1 = [ P2[0], P3[1] - (inside_h + ourcirc_r*2) ];
+P1 = [ P2[0], P3t[1] - (inside_h + ourcirc_r*2) ];
 P9 = [ outside_len - ourcirc_r, outside_gap/2 + ourcirc_r ];
 P8 = P9 + [ 0, outend_height - ourcirc_r*2 ];
 P5 = Q0 + p4p5d;
-P6 = P5 + [ 0, outside_pushh - ourcirc_r*2 ];
-P7 = [ P6[0] + (P6[1] - P1[1]) / outside_pushslope,
-       P1[1] ];
+P6b = P5 + [ -outside_push_inadj, outside_pushh - ourcirc_r*2 ];
+P7b = [ P6b[0] + (P6b[1] - P1[1]) / outside_pushslope,
+       P1[1] ];
+
+P3b = P3t + [ -outside_push_inadj * (P3t[1]-P4[1]) / (P6b[1]-P5[1]), 0 ];
 
 module ExtrusionSect(){
   cr = openingedge_dia/2;
@@ -85,8 +88,8 @@ module PsHull(ps) {
   }
 }
 
-module LeverSect(){
-  PsHull([P2,P3,P4]);
+module LeverSect(P3){
+  PsHull([P2, P3, P4]);
   difference(){
     PsHull([P0,P1,P2,P5,P8,P9]);
     translate(Q0) {
@@ -100,15 +103,15 @@ module LeverSect(){
 
 module LeverSectTop(){
   difference(){
-    LeverSect();
+    LeverSect(P3t);
     translate([pivot_x,0]) circle(r= pivot_r + pivot_slop, $fn=20);
   }
 }
 
 module LeverSectBot(){
   mirror([0,1]) {
-    LeverSect();
-    PsHull([P5,P6,P7]);
+    LeverSect(P3b);
+    PsHull([P5,P6b,P7b]);
     translate([pivot_x,0]) circle(r=pivot_r, $fn=20);
   }
 }