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;
pivot_r = 2;
pivot_slop = 0.25;
-width = 10;
+width = 5;
// calculated
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) ];
-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;
-P6 = P5 + [ 0, outside_pushh - ourcirc_r*2 ];
-P7 = [ P6[0] + (P6[1] - P1[1]) / outside_pushslope,
+
+P9mid = [ outside_len - ourcirc_r, outside_gap/2 + ourcirc_r ];
+P8mid = P9mid + [ 0, outend_height - ourcirc_r*2 ];
+
+P89adj = [ 0, P5[1] - P8mid[1] ];
+
+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;
+
module ExtrusionSect(){
cr = openingedge_dia/2;
toph = opening_height/2 + opening_protrh;
}
}
-module LeverSect(){
+module LeverSect(P89adjsense, inadj=false){
+ P3 = inadj ? P3a : P3t;
+ P8 = P8mid + P89adjsense * P89adj;
+ P9 = P9mid + P89adjsense * P89adj;
+ diag = inadj ? 0 : atan(outside_push_inadj_slope);
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);
+ rotate(diag){
+ hull(){
+ circle(r=edge_or, $fn=20);
+ translate([0,10]) circle(r=edge_or, $fn=20);
+ }
}
}
}
module LeverSectTop(){
difference(){
- LeverSect();
+ union(){
+ LeverSect(+1, false);
+ for (x = [ P8mid[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(){
+module LeverSectBot(inadj=false){
+ P6 = inadj ? P6a : P6t;
mirror([0,1]) {
- LeverSect();
+ LeverSect(-1, inadj);
PsHull([P5,P6,P7]);
translate([pivot_x,0]) circle(r=pivot_r, $fn=20);
}
linear_extrude(height=width, convexity=100) LeverSectTop();
}
-module LeverBot(){
- linear_extrude(height=width, convexity=100) LeverSectBot();
+module LeverBot(inadj=false){
+ linear_extrude(height=width, convexity=100) LeverSectBot(inadj);
}
module Test(){
translate([0,2,0]) LeverTop();
LeverBot();
+ translate([0,-opening_height - 2,0]) LeverBot(true);
}
//Demo();