topcylthick = 3;
topcylbasedepth = 4;
+pinminh = 1.0;
+pinmaxh = 1.5;
+pinwidth = 3;
+pindh = 0.5;
+pindwidth = 1.5;
+
module Plug(d=0){
a = -atan(plugslope);
tdx = d * cos(a);
eplen = sqrt(trestleheight*trestleheight + trestlebase*trestlebase*0.25);
topcylw = plugwmax + topcylthick*2;
+ pinholewidth = pinwidth + pindwidth;
+ pinholeminh = pinminh + pindh;
+ pinholemaxh = pinmaxh + pindh;
+
difference(){
union(){
for (mir=[0,1]) {
rotate([-90,-90,0])
Plug(d=trestleplugd);
+
+ for (rot=[0,180]) {
+ translate([0,0,plugl/2]) rotate([0,rot,0]) translate([0,0,-plugl/2]) {
+ translate([0, plugh, (plugl - pinholewidth*2)/3])
+# linear_extrude(height = pinholewidth){
+ for (mir=[0,1]) {
+ mirror([0,mir,0]) {
+ polygon([[-(topcylw/2+0.1), -0.1],
+ [-(topcylw/2+0.1), pinholeminh],
+ [0, pinholeminh],
+ [+(topcylw/2+0.1), pinholemaxh],
+ [+(topcylw/2+0.1), -0.1]]);
+ }
+ }
+ }
+ }
+ }
}
}