opening_height = 7.84;
opening_depth = 7.88;
-openingedge_dia = 1.34;
-opening_protrh = 1.8;
+openingedge_dia = 2.00;
+opening_protrh = 2.00;
pivot_x = 6;
inside_len = 4;
ourcirc_r = 0.5 / 2;
+ribble_dia = 2.2;;
+
opening_protr_slop = 0.1;
intooth_top_slop = 0.1;
pivot_r = 2;
pivot_slop = 0.25;
+strap_above = 0.1;
+strap_th = 2.5;
+strap_below = 3;
+
width = 5;
// calculated
- intooth_top_slop - ourcirc_r ];
P2 = P4 + [ -(inside_len - ourcirc_r*2), 0 ];
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;
+P8t = [ outside_len - ourcirc_r, P5[1] ];
+P9t = P8t + [ 0, -(strap_above + strap_th + strap_below - ourcirc_r*2) ];
+
+P9b = [ P9t[0], -P9t[1] + outside_gap ];
+P8b = P9b + [ 0, outend_height ];
+
P6t = P5 + [ 0, outside_pushh - ourcirc_r*2 ];
P7 = [ P6t[0] + (P6t[1] - P1[1]) / outside_pushslope,
P1[1] ];
-outside_push_inadj_slope = (P3t[1]-P4[1]) / (P6a[1]-P5[1]);
-
P3a = P3t + [ -outside_push_inadj, 0 ];
P6a = P6t + [ -outside_push_inadj, 0 ];
+outside_push_inadj_slope = (P3t[1]-P4[1]) / (P6a[1]-P5[1]);
+
+ribble_rad = ribble_dia/2;
+
module ExtrusionSect(){
cr = openingedge_dia/2;
toph = opening_height/2 + opening_protrh;
}
}
-module LeverSect(inadj=false){
+module LeverSect(top, inadj=false){
P3 = inadj ? P3a : P3t;
- diag = inadj ? 0 : atan(outside_push_inadj_slope);
- PsHull([P2,P3,P4]);
+ P6 = inadj ? P6a : P6t;
+ P8 = top ? P8t : P8b;
+ P9 = top ? P9t : P9b;
difference(){
- PsHull([P0,P1,P2,P5,P8,P9]);
- translate(Q0) {
- rotate(diag){
- hull(){
- circle(r=edge_or, $fn=20);
- translate([0,10]) circle(r=edge_or, $fn=20);
- }
+ union(){
+ PsHull([P2,P3,P4]);
+ PsHull([P0,P1,P2,P5,P8,P9]);
+ }
+ hull(){
+ for (dp = [ [0,0],
+ (P6-P5),
+ (P3-P4)
+ ]) {
+ translate(Q0 + 5*dp) circle(r=edge_or, $fn=20);
}
}
}
}
+module StrapSect(){
+ translate(P9t) {
+ difference(){
+ circle(r = strap_below + strap_th, $fn=40);
+ circle(r = strap_below, $fn=40);
+ }
+ }
+}
+
module LeverSectTop(){
difference(){
- LeverSect(false);
+ union(){
+ LeverSect(true, false);
+ for (x = [ P8t[0] + ourcirc_r - ribble_rad :
+ -ribble_rad * 4 :
+ Q0[0] + edge_or + ribble_rad*2 ]) {
+ translate([x, P5[1] + ourcirc_r])
+ circle(r = ribble_rad, $fn=20);
+ }
+ }
translate([pivot_x,0]) circle(r= pivot_r + pivot_slop, $fn=20);
}
}
module LeverSectBot(inadj=false){
P6 = inadj ? P6a : P6t;
mirror([0,1]) {
- LeverSect(inadj);
+ LeverSect(false, inadj);
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();
+ translate([0,0,5]) LeverSectBot();
+ color("black") LeverSectBot(true);
+ color("blue") translate([0,0,10]) StrapSect();
}
module LeverTop(){
translate([0,-opening_height - 2,0]) LeverBot(true);
}
+//LeverSectBot(true);
//Demo();
Test();