+module Trestle(){ ////toplevel
+ legang = atan2(trestlebase/2, trestleheight);
+ eplen = sqrt(trestleheight*trestleheight + trestlebase*trestlebase*0.25);
+ topblockw = plugwmax + trestleplugd*2 + topblockthick*2;
+
+ pinholebasew = pinbasew + pindwidth*2;
+ pinholeh = pinmaxh + pindh;
+
+ difference(){
+ union(){
+ for (mir=[0,1]) {
+ mirror([mir,0,0]) {
+ rotate([0,0, -90-legang])
+ ExtenderPillars(length=eplen+trestlelegw,
+ width=trestlelegw,
+ height=legw,
+ baseweb=true);
+
+ translate([-trestlebase/2, -trestleheight, 0])
+ cylinder(r=trestlelegw/2*1.2, h=plugl);
+ }
+ }
+ translate([-topblockw/2, -topblockbasedepth, 0])
+ cube([topblockw,
+ topblockbasedepth + plugh + topblockthick
+ + (pinmaxh - pinminh)*0.6 + pindh,
+ plugl]);
+
+ translate([-trestlebase/2, -trestleheight, 0])
+ ExtenderPillars(length=trestlebase, width=trestlebaseh*2, height=legw);
+ }
+ translate([-300, -trestleheight-50, -1])
+ cube([600, 50, plugl+2]);
+
+ 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([-(topblockw*0.25+1),
+ plugh + pindh - (pinmaxh - pinminh)*0.75,
+ (plugl - pinholebasew*2)/3]) {
+ translate([0,0,pinholebasew/2]) rotate([-90,0,0]) %Pin();
+ rotate([0,90,0]) {
+ linear_extrude(height = topblockw*1.0+2) {
+ polygon([[-1.0 * pinholebasew, -0.01],
+ [-0.5 * pinholebasew, pinholeh],
+ [ 0 , -0.01]]);
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+module Pin(){ ////toplevel
+ rotate([90,0,90]) {
+ hull(){
+ for (mir=[0,1]) {
+ mirror([mir,0,0]) {
+ linear_extrude(height=0.1) {
+ polygon([[-0.01, 0],
+ [-0.01, pinminh],
+ [pinbasew*0.5*(pinminh/pinmaxh), 0]]);
+ }
+ translate([0,0,pintaperlen])
+ linear_extrude(height=pinstraightlen) {
+ polygon([[-0.01, 0],
+ [-0.01, pinmaxh],
+ [pinbasew*0.5, 0]]);
+ }
+ }
+ }
+ }
+ }
+}
+
+module TestKit(){ ////toplevel
+ translate([30,0,0]) Pin();
+ translate([30,30,0]) Pin();
+ translate([0,40,0]) intersection(){
+ Trestle();
+ translate([-50,-10,-1]) cube([100,100,100]);
+ }
+ intersection(){
+ translate([-60,0,0]) Bar();
+ cube(50,center=true);
+ }
+}
+
+//Bar();
+//Trestle();
+//Pin();
+//TestKit();
+//Plug(d=1);
+//ExtenderPillars(80,12,8, baseweb=true);