forked from Jaydmdigital/Kossel_2020
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vertex.scad
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vertex.scad
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include <configuration.scad>;
$fn = 80;
roundness = 6;
body1_cylinder_offset = 22; //22
body2_cylinder_offset = -30; //-37
module extrusion_cutout(h, extra, cut_w=2, cut_d=2, corner_r=0.5) {
difference() {
union(){
cube([extrusion+extra, extrusion+extra, h], center=true);
translate([(extrusion-corner_r)/2,(extrusion-corner_r)/2,0]) cylinder(h=h, r=corner_r,center=true);
translate([(extrusion-corner_r)/2,-(extrusion-corner_r)/2,0]) cylinder(h=h, r=corner_r,center=true);
translate([-(extrusion-corner_r)/2,(extrusion-corner_r)/2,0]) cylinder(h=h, r=corner_r,center=true);
translate([-(extrusion-corner_r)/2,-(extrusion-corner_r)/2,0]) cylinder(h=h, r=corner_r,center=true);
}
for (a = [0:90:359]) rotate([0, 0, a]) {
translate([(extrusion-cut_d)/2+0.5, 0, 0]) cube([cut_d, cut_w, h+1], center=true);
}
}
}
module screw_socket() {
cylinder(r=m3_wide_radius, h=20, center=true);
translate([0, 0, 3.8]) cylinder(r=3.5, h=8);
}
module screw_socket_cone() {
union() {
screw_socket();
scale([1, 1, -1]) rotate(45)cylinder(r1=11/2*sqrt(2), r2=extrusion/2, h=5.5, $fn=4);
}
}
module fin(fin_l=50, fin_w=2, fin_d=2){
//cube([fin_l,fin_w,fin_d],center=true);
rotate([0,90,0])cylinder(h=fin_l, r=fin_d/2, center=true);
//echo("In fin");
}
module vertex(height, idler_offset, idler_space, fin_w=5, fin_d, fins=0, fn=180) {
translate([0,2.5,0])union() {
// Pads to improve print bed adhesion for slim ends.
translate([-37.5, 52.2, -height/2]) cylinder(r=8, h=0.4);
translate([37.5, 52.2, -height/2]) cylinder(r=8, h=0.4);
difference() {
union() {
//fins
if(fins > 0){
translate([29.5,35,(height-extrusion)/2]) rotate([0,0,60])
difference(){
fin(54,fin_d,fin_w+1);
translate([-22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
translate([22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
}
translate([29.5,35,-(height-extrusion)/2]) rotate([0,0,60])
difference(){
fin(54,fin_d,fin_w+1);
translate([-22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
translate([22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
}
translate([-29.5,35,(height-extrusion)/2]) rotate([0,0,-60])
difference(){
fin(54,fin_d,fin_w+1);
translate([-22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
translate([22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
}
translate([-29.5,35,-(height-extrusion)/2]) rotate([0,0,-60])
difference(){
fin(54,fin_d,fin_w+1);
translate([-22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
translate([22,-1.6,0])rotate([90,45,0]) cylinder(r=11/2*sqrt(2), h=5.5, $fn=4);
}
}
intersection() {
translate([0, body1_cylinder_offset, 0]) cylinder(r=vertex_radius, h=height, center=true, $fn=fn*2);
translate([0, body2_cylinder_offset, 0]) rotate([0, 0, 30]) cylinder(r=50, h=height+1, center=true, $fn=6);
}
translate([0, 38, 0]) intersection() {
rotate([0, 0, -90]) cylinder(r=55, h=height, center=true, $fn=3);
translate([0, 10, 0]) cube([100, 100, 2*height], center=true);
translate([0, -10, 0]) rotate([0, 0, 30]) cylinder(r=55, h=height+1, center=true, $fn=6);
}
}
difference() {
translate([0, 58, 0]) minkowski() {
intersection() {
rotate([0, 0, -90]) cylinder(r=55, h=height, center=true, $fn=3);
translate([0, -31, 0]) cube([100, 15, 2*height], center=true);
}
cylinder(r=roundness, h=1, center=true);
}
// Idler support cones.
translate([0, 26+idler_offset-30, 0]) rotate([-90, 0, 0]) cylinder(r1=30, r2=2, h=30-idler_space/2, $fn=fn);
translate([0, 26+idler_offset+30, 0]) rotate([90, 0, 0]) cylinder(r1=30, r2=2, h=30-idler_space/2, $fn=fn);
}
translate([0, 58, 0]) minkowski() {
intersection() {
rotate([0, 0, -90]) cylinder(r=55, h=height, center=true, $fn=3);
translate([0, 7, 0]) cube([100, 30, 2*height], center=true);
}
cylinder(r=roundness, h=1, center=true);
}
translate([0,-2.5,0])extrusion_cutout(height+10, 0.15, fin_w, fin_d,corner_r=1);
for (z = [-height/2 + extrusion/2 , height/2 - extrusion/2] ) {
translate([0, -extrusion/2-extra_radius+extrusion_fin_d-2.5, z]) rotate([90, 0, 0]) screw_socket_cone();
for (a = [-1, 1]) {
rotate([0, 0, 30*a]) translate([-(vertex_radius-body1_cylinder_offset)*a, 111, z]) {
// % rotate([90, 0, 0]) extrusion_cutout(200, 0);
// Screw sockets.
for (y = [-88, -44]) {
translate([a*(extrusion/2-0.6), y, 0]) rotate([0, a*90, 0]) screw_socket();
}
// Nut tunnels.
for (z = [-1, 1]) {
scale([1, 1, z])
translate([0, -99, 3])
minkowski() {
rotate([0, 0, -a*30]) cylinder(r=5, h=16); //cylinder(r=m3_nut_radius, h=16);
cube([0.1, 8, 0.1], center=true);
}
}
}
}
}
// ease the inside coners
rotate(-30)translate([vertex_x_offset+2,-2.5+vertex_y_offset/2+1,0])cylinder(h=height+1, r=1, center=true);
rotate(30)translate([-vertex_x_offset-2,-2.5+vertex_y_offset/2+1,0])cylinder(h=height+1, r=1, center=true);
}
}
}
translate([0, 0, extrusion*2.5/2])
vertex(extrusion*2.5, idler_offset=0, idler_space=10, fin_w=5, fin_d=4, fins=1, fn=20 );
//translate([0, 0, 7.5]) vertex_cover(3);
//%rotate(-30)cube([45,vertex_y_offset/2,25]);
//%rotate(-30)cube([vertex_x_offset,45,35]);
/*
//%rotate(-30)cube([45,vertex_y_offset/2,25]);
color("gray")rotate(-30)translate([(extrusion-thickness)/2,vertex_y_offset/2,0])
difference(){
cube([extrusion,240,extrusion]);
translate([(extrusion-extrusion_channel_w)/2,-1,extrusion-6]) cube([extrusion_channel_w,241,extrusion]);
}
*/
/*
color("gray")
rotate(-30)translate([(extrusion-thickness)/2,vertex_y_offset/2,0])
translate([10,0,10+30])rotate([-90,0,0])
difference(){
import("./assembly/2020_1000mm.stl", convexity=10);
translate([-12,-12,240])cube([24,24,(1000-240)+2]);
}
#translate([sin(30)*(vertex_y_offset+240),cos(30)*(vertex_y_offset+240),0])rotate(120)
translate([0, 0, extrusion*2.5/2]) vertex(extrusion*2.5, idler_offset=0, idler_space=10, fin_w=5, fin_d=4, fn=20 );
translate([sin(30)*(vertex_y_offset/2+240),cos(30)*(vertex_y_offset/2+240),-1])%rotate(-30)cube([45,vertex_y_offset/2,25]);
*/