+ translate([spoolw/2, 0, 0])
+ Plug();
+ translate([-1, -50, -50])
+ cube([spoolw/2+1.1, 100, 100]);
+ }
+ }
+ difference(){
+ translate([-biggestw/2, -50, 0])
+ cube([biggestw, 100, 100]);
+ for (mir=[0,1]) {
+ mirror([mir,0,0])
+ translate([axlepin_x, 0, -50])
+ cylinder(r=AxlePin_holerad(), 100, $fn=15);
+ }
+ }
+ translate([0,0,barz]) {
+ translate([-100,0,0])
+ rotate([0,90,0]) cylinder(r=axlerad, h=200, $fn=60);
+ }
+ }
+}
+
+module FtAxlePin(){ ////toplevel
+ AxlePin(axlerad, (axlerad + barwasherrad*2)/3 * 2);
+}
+
+module AxleWasher(){ ////toplevel
+ Washer(axlerad, barwasherrad);
+}
+
+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=trestlefoot);
+ }
+ }
+ translate([-topblockw/2, -topblockbasedepth, 0])
+ cube([topblockw,
+ topblockbasedepth + plugh + topblockthick
+ + (pinmaxh - pinminh)*0.5,
+ plugl]);
+
+ translate([-trestlebase/2, -trestleheight, 0])
+ ExtenderPillars(length=trestlebase, width=trestlebaseh*2, height=legw);
+ }
+ translate([-300, -trestleheight-50, -1])
+ cube([600, 50, 52]);
+
+ 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 - (pinmaxh - pinminh)*1.00,
+ (plugl - pinholebasew*2)/3]) {
+ translate([-(topblockw*0.25+1), 0, pinholebasew/2])
+ rotate([-90,0,0]) %Pin();
+ translate([-(topblockw+1), 0, 0]) {
+ rotate([0,90,0]) {
+ linear_extrude(height = topblockw*2.0+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 HubEnd(){ ////toplevel
+ thick = hubmainthick+hubbasethick;
+ difference(){
+ union(){
+ for (ang=[0 : 60 : 359]) {
+ rotate([0,0,ang]) {
+ translate([hubmainrad - hubwalls/2, -hubbasestalkwidth/2, 0])
+ cube([hubbaserad - (hubmainrad - hubwalls/2),
+ hubbasestalkwidth, hubbasethick]);
+ ExtenderPillar(length = hubmainrad-hubwalls/2,
+ height = hubbasethick + hubmainthick,
+ pillarw = hubpillarw);