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;
-pivoting_gap = 1;
+pivoting_gap = 0.1;
outside_gap = 3;
-outside_len = 16;
+outside_len = 13;
outend_height = 3;
+outside_len_bot = 23;
+
+outside_pushh = 4;
+outside_pushslope = 1.4;
+outside_push_inadj = 0.82;
+
ourcirc_r = 0.5 / 2;
+ribble_dia = 2.2;;
+
opening_protr_slop = 0.1;
intooth_top_slop = 0.1;
inside_h_xgap = 1;
+pivot_r = 2;
+pivot_slop = 0.25;
+
+strap_above = 0.1;
+strap_th = 2.5;
+strap_below = 3;
+strap_width = 5;
+
+width = 35;
+nstraps = 2;
+
+test_width = 5;
+
// 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 + [ -(openingedge_dia/2 + opening_protr_slop + ourcirc_r), 0 ];
-P3 = [ P4[0], Q0[1] - openingedge_dia/2 + opening_protrh
- - intooth_top_slop - ourcirc_r ];
+P4 = Q0 - p4p5d;
+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) ];
-P9 = [ outside_len - ourcirc_r, outside_gap/2 + ourcirc_r ];
-P8 = P9 + [ 0, outend_height - ourcirc_r*2 ];
+P1 = [ P2[0], P3t[1] - (inside_h + 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 ];
+
+P89eadj = [ outside_len_bot - outside_len, 0 ];
+P8eb = P8b + P89eadj;
+P9eb = P9b + P89eadj;
+
+P6t = P5 + [ 0, outside_pushh - ourcirc_r*2 ];
+P7 = [ P6t[0] + (P6t[1] - P1[1]) / outside_pushslope,
+ P1[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;
+
+kit_adj_shift = -opening_height - 2.0;
module ExtrusionSect(){
cr = openingedge_dia/2;
}
}
-module LeverSect(){
- PsHull([P2,P3,P4]);
- //PsHull([P5,P6,P7]);
+module LeverSect(top, inadj=false){
+ P3 = inadj ? P3a : P3t;
+ P6 = inadj ? P6a : P6t;
+ P8 = top ? P8t : P8b;
+ P9 = top ? P9t : P9b;
difference(){
- PsHull([P0,P1,P2,//P5
- ,P8,P9]);
+ 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 StrapSectTop(){
+ translate(P9t + ourcirc_r * [+1,-1]) {
+ difference(){
+ circle(r = strap_below + strap_th, $fn=40);
+ circle(r = strap_below, $fn=40);
+ }
+ }
+}
+
+module StrapSectBot(){
+ mirror([0,1]){
+ for (dx = [ -(strap_below + strap_th),
+ 0 ]) {
+ translate(P9b + [ ourcirc_r + dx, -10 ]) {
+ square([strap_th, 20]);
+ }
+ }
+ }
+}
+
+module Ribbles(xmax, xmin, y){
+ for (x = [ xmax + ourcirc_r - ribble_rad :
+ -ribble_rad * 4 :
+ xmin ]) {
+ translate([x, y])
+ circle(r = ribble_rad, $fn=20);
+ }
+}
+
+module LeverSectTop(){
+ difference(){
+ union(){
+ LeverSect(true, false);
+ Ribbles(P8t[0],
+ Q0[0] + edge_or + ribble_rad*2,
+ P5[1] + ourcirc_r);
+ }
+ translate([pivot_x,0]) circle(r= pivot_r + pivot_slop, $fn=20);
+ }
+}
+
+module LeverSectBot(inadj=false){
+ P6 = inadj ? P6a : P6t;
+ mirror([0,1]) {
+ LeverSect(false, inadj);
+ PsHull([P5,P6,P7]);
+ PsHull([P8b,P8eb,P9eb,P9b]);
+ Ribbles(P8eb[0],
+ P9b[0],
+ P8eb[1]);
+ translate([pivot_x,0]) circle(r=pivot_r, $fn=20);
}
}
module Demo(){
- color("white") ExtrusionSect();
- LeverSect();
+ translate([0,0,-5]) color("white") ExtrusionSect();
+ LeverSectTop();
+ translate([0,0,5]) LeverSectBot();
+ color("black") LeverSectBot(true);
+ color("blue") translate([0,0,10]) StrapSectTop();
+ color("purple") translate([0,0,-10]) StrapSectBot();
+}
+
+module SomeLever() {
+ // SomeLever(){ LeverBot(inadj); LeverSectBot(); }
+ difference(){
+ linear_extrude(height=width, convexity=100) children(0);
+ for (i = [ 0 : nstraps - 1 ]) {
+ translate([0,0, (i + 0.5) / nstraps * width - strap_width/2])
+ linear_extrude(height=strap_width, convexity=10)
+ children(1);
+ }
+ }
+}
+
+module Test(){
+ linear_extrude(height=test_width, convexity=100) {
+ translate([0,2,0]) LeverSectTop();
+ LeverSectBot();
+ translate([0,kit_adj_shift]) LeverSectBot(true);
+ }
+}
+
+module LeverTop(){ ////toplevel
+ SomeLever(){
+ LeverSectTop();
+ StrapSectTop();
+ }
+}
+module LeverBot(){ ////toplevel
+ SomeLever(){
+ LeverSectBot();
+ StrapSectBot();
+ }
+}
+module LeverBotAdj(){ ////toplevel
+ SomeLever(){
+ LeverSectBot(true);
+ StrapSectBot(true);
+ }
+}
+
+module Kit(){ ////toplevel
+ translate([0,2,0]) LeverTop();
+ LeverBot();
+}
+
+module KitAdj(){ ////toplevel
+ translate([0,2,0]) LeverTop();
+ LeverBotAdj();
}
-Demo();
+//LeverSectBot(true);
+//Demo();
+//LeverTop();
+//Test();
+//Kit();
+//KitAdj();