tau = 6.28318530718;
function deg2rad(deg) = deg/360 * tau;
+function rad2deg(rad) = rad/tau * 360;
+
+module SplitPin(w=1.5, holeminrad=4, thick=3, deviationrad=1.5,
+ mainlen=20, handlerad=10, handlelen=7){
+ spare = holeminrad - deviationrad - w;
+ echo("splitpin spare",spare);
+ %translate([0,mainlen+handlelen,0]) cylinder(r=spare, h=thick);
+ %translate([0,mainlen,thick/2]) rotate([90,0,0])
+ cylinder(r=holeminrad, h=thick);
-module SplitPin(w=1.5, holeminrad=3, deviationrad=1, thick=3,
- mainlen=20){
bent_x0 = w*1.5;
bent_x1 = holeminrad;
bent_dx = bent_x1 - bent_x0;
bent_y1 = mainlen;
+ bent_dy = bent_y1;
bent_rad = (bent_dy / bent_dx) * bent_dy;
bent_subang = atan(bent_dx / bent_dy);
actual_mainlen = bent_rad * deg2rad(bent_subang);
+
unbent_dx = bent_dx + deviationrad;
-
+ unbent_subang = atan(unbent_dx / actual_mainlen);
+ unbent_rad = actual_mainlen / deg2rad(unbent_subang);
+
+ main_cx = w*1.5 + unbent_rad;
+
for (xmir=[0,1]) mirror([xmir,0,0]) {
linear_extrude(height=thick) {
FlatArc(0,0, w*0.5, w*1.5, 270-1,360);
- FlatArc();
+ FlatArc($fa=1, main_cx,0, unbent_rad, unbent_rad+w,
+ 180-unbent_subang, 180);
+ translate([unbent_rad * (1 - cos(unbent_subang)) + w*1.5,
+ unbent_rad * sin(unbent_subang)])
+ rotate([0,0,-unbent_subang]) {
+ translate([-(w + deviationrad), -0.1])
+ square(size=[w + deviationrad, w+0.1]);
+ FlatArc(-deviationrad + handlerad, w,
+ handlerad, handlerad+w,
+ 180-rad2deg(handlelen/handlerad), 180);
+ }
}
}
}