flyscreen-handle: LeverSects wip, before Test and before adj P8/P9

[reprap-play.git] / flyscreen-handle.scad

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 84d94cfce6bfc57a4fbac656d15dab0cc3398e35..d2b1fd17e5b77f3b6392127072dea082da0e0b81 100644 (file)
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -2,16 +2,62 @@
 
 opening_height = 7.84;
 opening_depth = 7.88;
-openingcnr_dia = 1.34;
+openingedge_dia = 1.34;
 opening_protrh = 1.8;
 
+pivot_x = 6;
+inside_len = 4;
+
+pivoting_gap = 0.1;
+
+outside_gap = 3;
+outside_len = 16;
+outend_height = 3;
+
+outside_pushh = 4;
+outside_pushslope = 1.4;
+
+ourcirc_r = 0.5 / 2;
+
+opening_protr_slop = 0.1;
+
+intooth_top_slop = 0.1;
+inside_h_xgap = 1;
+
+pivot_r = 2;
+pivot_slop = 0.25;
+
+// calculated
+
+inside_h = opening_height/2 - opening_protrh - inside_h_xgap/2;
+
+edge_or = openingedge_dia/2 + opening_protr_slop;
+
+Q0 = [ openingedge_dia/2,
+       openingedge_dia/2 + opening_height/2 ];
+
+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 ];
+P2 = P4 + [ -(inside_len - ourcirc_r*2), 0 ];
+P1 = [ P2[0], P3[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] ];
+
 module ExtrusionSect(){
-  cr = openingcnr_dia/2;
+  cr = openingedge_dia/2;
   toph = opening_height/2 + opening_protrh;
 
   for (my=[0,1]) {
     mirror([0,my]) {
-      translate([cr/2, opening_height/2 + cr/2]) {
+      translate(Q0) {
        hull(){
          circle(r=cr, $fn=20);
          translate([-cr,10]) square([cr*2, 1]);
@@ -28,4 +74,47 @@ module ExtrusionSect(){
   }
 }
 
-ExtrusionSect();
+module PsHull(ps) {
+  hull(){
+    for (p = ps) {
+      translate(p)
+       circle(r = ourcirc_r, $fn=10);
+    }
+  }
+}
+
+module LeverSect(){
+  PsHull([P2,P3,P4]);
+  difference(){
+    PsHull([P0,P1,P2,P5,P8,P9]);
+    translate(Q0) {
+      hull(){
+       circle(r=edge_or, $fn=20);
+       translate([0,10]) circle(r=edge_or, $fn=20);
+      }
+    }
+  }
+}
+
+module LeverSectTop(){
+  difference(){
+    LeverSect();
+    translate([pivot_x,0]) circle(r= pivot_r + pivot_slop, $fn=20);
+  }
+}
+
+module LeverSectBot(){
+  mirror([0,1]) {
+    LeverSect();
+    PsHull([P5,P6,P7]);
+    translate([pivot_x,0]) circle(r=pivot_r, $fn=20);
+  }
+}
+
+module Demo(){
+  translate([0,0,-5]) color("white") ExtrusionSect();
+  LeverSectTop();
+  LeverSectBot();
+}
+
+Demo();