5 openingedge_dia = 1.34;
18 outside_pushslope = 1.4;
19 outside_push_inadj = 0.82;
23 opening_protr_slop = 0.1;
25 intooth_top_slop = 0.1;
35 inside_h = opening_height/2 - opening_protrh - inside_h_xgap/2;
37 edge_or = openingedge_dia/2 + opening_protr_slop;
39 Q0 = [ openingedge_dia/2,
40 openingedge_dia/2 + opening_height/2 ];
42 p4p5d = [edge_or + ourcirc_r, 0];
44 P0 = [ pivot_x, pivoting_gap ];
46 P3t = [ P4[0], Q0[1] - openingedge_dia/2 + opening_protrh
47 - intooth_top_slop - ourcirc_r ];
48 P2 = P4 + [ -(inside_len - ourcirc_r*2), 0 ];
49 P1 = [ P2[0], P3t[1] - (inside_h + ourcirc_r*2) ];
53 P9mid = [ outside_len - ourcirc_r, outside_gap/2 + ourcirc_r ];
54 P8mid = P9mid + [ 0, outend_height - ourcirc_r*2 ];
56 P89adj = [ 0, P5[1] - P8mid[1] ];
58 P6t = P5 + [ 0, outside_pushh - ourcirc_r*2 ];
59 P7 = [ P6t[0] + (P6t[1] - P1[1]) / outside_pushslope,
62 P3a = P3t + [ -outside_push_inadj, 0 ];
63 P6a = P6t + [ -outside_push_inadj, 0 ];
65 outside_push_inadj_slope = (P3t[1]-P4[1]) / (P6a[1]-P5[1]);
67 module ExtrusionSect(){
68 cr = openingedge_dia/2;
69 toph = opening_height/2 + opening_protrh;
76 translate([-cr,10]) square([cr*2, 1]);
81 translate([-opening_depth, -toph]) {
84 square([opening_depth+6, toph*2+10]);
85 square([opening_depth+2, toph*2]);
94 circle(r = ourcirc_r, $fn=10);
99 module LeverSect(P89adjsense, inadj=false){
100 P3 = inadj ? P3a : P3t;
101 P8 = P8mid + P89adjsense * P89adj;
102 P9 = P9mid + P89adjsense * P89adj;
103 diag = inadj ? 0 : atan(outside_push_inadj_slope);
106 PsHull([P0,P1,P2,P5,P8,P9]);
110 circle(r=edge_or, $fn=20);
111 translate([0,10]) circle(r=edge_or, $fn=20);
118 module LeverSectTop(){
120 LeverSect(+1, false);
121 translate([pivot_x,0]) circle(r= pivot_r + pivot_slop, $fn=20);
125 module LeverSectBot(inadj=false){
126 P6 = inadj ? P6a : P6t;
128 LeverSect(-1, inadj);
130 translate([pivot_x,0]) circle(r=pivot_r, $fn=20);
135 translate([0,0,-5]) color("white") ExtrusionSect();
141 linear_extrude(height=width, convexity=100) LeverSectTop();
144 module LeverBot(inadj=false){
145 linear_extrude(height=width, convexity=100) LeverSectBot(inadj);
149 translate([0,2,0]) LeverTop();
151 translate([0,-opening_height - 2,0]) LeverBot(true);