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-rw-r--r--another.scad2
1 files changed, 1 insertions, 1 deletions
diff --git a/another.scad b/another.scad
index f77fa7a..85715db 100644
--- a/another.scad
+++ b/another.scad
@@ -128,193 +128,193 @@ module the_extruder(
}//hull
hull() {
translate([mount_d/2,0,0])
cylinder(d=lsd,h=lever_thickness,center=true,$fn=60);
translate([mount_d/2,-longwing,0]) rotate([0,90,0])
cylinder(d=lever_thickness,h=lsd,center=true,$fn=60);
}//hull
}//union
// filament path
place_idler() translate([-(idler_d+filament_path_d)/2,0,0]) rotate([90,0,0]) {
cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30);
translate([0,-filament_path_d/2/sqrt(2),0]) rotate([0,0,45])
cube(size=[filament_path_d/2,filament_path_d/2,3*gearbox_d],center=true);
}
// idler space and mounting hole
place_idler() {
difference() {
cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60);
// supports
for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width])
translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1])
cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]);
}
cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=30);
translate([0,0,lever_thickness/2-mount_screwhead_h])
cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=2*PI*mount_screwhead_d);
}
// mounting screw hole
translate([mount_d/2,0,0])
cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=2*PI*mount_screw_d);
// lever end
translate([mount_d/2,0,0]) rotate([0,90,0]) {
translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15);
translate([0,-longwing,0])
mirror([0,0,1])
difference() {
cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=2*PI*spring_d);
sphere(d=spring_d*3/4,$fn=PI*spring_d);
}
}//rotate-translate
}//difference
// bridging patch
place_idler()
translate([0,0,lever_thickness/2-mount_screwhead_h])
mirror([0,0,1])
cylinder(d=mount_screwhead_d,h=layer_height);
}//translate
}//lever module
module body() {
difference() {
union() {
cylinder(d=gearbox_d,h=body_h,$fn=2*PI*gearbox_d);
// finger and spring support
fsw = gearbox_d/2+mount_screwhead_d/2;
translate([-gearbox_d/2,0,0]) difference() {
union() {
hull() {
translate([0,-longwing,ls_z])
rotate([0,90,0])
cylinder(d=max(lever_thickness,spring_d+spring_d_clearance+2*extrusion_width),h=fsw,$fn=2*PI*lever_thickness);
hh=body_h-ls_z;
translate([0,0,ls_z-lever_thickness/2])
mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]);
hhh=ls_z;
translate([0,0,0])
mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]);
}
}
translate([0,-longwing,ls_z]) rotate([0,-90,0])
finger_indent(d=lever_thickness-1,r=15);
} // translate
// pushfit bracket
translate([0,0,filament_elevation])
rotate([0,0,45]) translate([pulley_d/2,0,0])
rotate([-90,0,0])
translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/])
cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6);
}//union (first child of difference)
// protrusion
translate([0,0,-1])
cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=2*PI*protrusion_d);
// mount screw holes
for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) {
translate([0,0,mount_screw_l-mounthole_depth/2-layer_height-1])
mirror([0,0,1])
cylinder(d=mount_screw_d+mount_screw_d_tolerance,
h=mount_screw_l-mounthole_depth/2-layer_height+1,
$fn=2*PI*mount_screw_d);
translate([0,0,mount_screw_l-mounthole_depth/2])
cylinder(d=mount_screwhead_d,h=body_h+1,$fn=2*PI*mount_screwhead_d);
}//for
- // pushfit threads
+ // pushfit
translate([0,0,filament_elevation])
rotate([0,0,45]) translate([pulley_d/2,0,0])
rotate([-90,0,0])
translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon])
rotate([0,0,180]) {
pushfit(pf);
cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=2*PI*filament_guide_d);
translate([0,-filament_guide_d/2/sqrt(2),0])
rotate([0,0,45])
cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true);
}
// pulley
cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance));
// leverspace
hull() for(x=[0,gearbox_d])
rotate([0,0,45])
translate([x,0,ls_z-ls_h/2])
cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=2*PI*idler_d);
a=cos(45)*(pulley_d+idler_d)/2;
b=mount_d/2-a;
x=sqrt(pow(a,2)+pow(b,2));
translate([mount_d/2,0,ls_z])
intersection() {
r = x+idler_d/2+1;/* TODO: */
cylinder(r=r,h=ls_h,center=true);
translate([-r-1,0,-1]) cube(size=[2*r+2,r+1,ls_h+2]);
}
rotate([0,0,-45])
translate([0,0,ls_z-ls_h/2])
cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]);
translate([0,0,ls_z-ls_h/2]) {
translate([mount_screwhead_d/2,0,0])
mirror([0,1,0])
cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]);
}
//translate([-mount_d/2,-longwing,filament_elevation])
translate([mount_d/2,-longwing,filament_elevation])
rotate([0,-90,0]) difference() {
cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=PI*spring_d);
translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=PI*spring_d);
}
//sphere(d=spring_d*3/4,$fn=PI*spring_d);
*difference() {
// spring support
translate([0,-longwing,filament_elevation])
sphere(d=spring_d*3/4,$fn=PI*spring_d);
}
}//difference
intersection() {
difference() {
translate([0,0,ls_z-ls_h/2-epsilon])
cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=2*PI*gearbox_d);
cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=2*PI*(pulley_d+pulley_clearance));
}
// supports
// TODO: hardcoded stuff below…
if(false) { // parallel
for(y=[-gearbox_d:4:gearbox_d])
translate([0,y-extrusion_width/2,0])
cube(size=[gearbox_d,extrusion_width,body_h]);
}else{ // radial
for(zr=[-65:(65+50)/7:50])
rotate([0,0,zr]) translate([0,-extrusion_width/2,0])
cube(size=[gearbox_d,extrusion_width,body_h]);
}
}
}//body module
module knob() {
ch = knob_indent_d/2;
translate([0,0,body_h+epsilon]) {
mirror([0,0,1]) translate([0,0,-epsilon]) {
difference() {
cylinder(d=pulley_d,h=knob_bore_l,$fn=pulley_d*PI*2);
translate([0,0,-1]) difference() {
cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2);
translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1])
cube([bore_d+2,bore_d/2,knob_bore_l+4]);
}
}
}
difference() {
union() {
cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=PI*gearbox_d*2);
translate([0,0,ch])
cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=PI*gearbox_d*2);
translate([0,0,knob_h-ch])
cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=PI*gearbox_d*2);
}
for(a=[0:360/knob_indents:359]) rotate([0,0,a])
translate([0,gearbox_d/2,-1])