| -rw-r--r-- | another.scad | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/another.scad b/another.scad index 461dc26..74a2d5f 100644 --- a/another.scad +++ b/another.scad @@ -132,196 +132,198 @@ module the_extruder( hh=sqrt(pow(r,2)-pow(d,2)/4); translate([0,0,hh]) sphere(r=r,$fn=fnr*r); } } % if(vitamins) mirrorleft() { translate([0,0,-epsilon]) mirror([0,0,1]) cylinder(d=gearbox_d,h=1,$fn=60); for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) cylinder(d=mount_screw_d,h=20,$fn=30); translate([0,0,-epsilon]) cylinder(d=protrusion_d,h=protrusion_h,$fn=30); translate([0,0,protrusion_h]) { difference() { cylinder(d=bore_d,h=bore_l,$fn=30); translate([-bore_d/2-1,bore_dd-bore_d/2,-1]) cube([bore_d+2,bore_d/2,bore_l+2]); } translate([0,0,pulley_elevation]) { cylinder(d=pulley_d,h=pulley_h,$fn=30); translate([0,0,teeth_elevation]) { place_idler() { cylinder(d=idler_d,h=idler_h,center=true,$fn=30); cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); }//place idler // filament path rotate([0,0,45]) { translate([pulley_d/2-idler_filament_offset,0,0]) rotate([90,0,0]) { cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); }//rotate translate translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) { cylinder(d=filament_d,h=gearbox_d,center=false,$fn=15); translate([0,0,mount_d/sqrt(2)/2+mount_screw_d]) pushfit(pf); }//rotate translate }//rotate }//translate teeth }//translate pulley }//translate protrusion }//vitamins module lever() { translate([0,0,protrusion_h+pulley_elevation+teeth_elevation]) { difference() { union() { hull() { place_idler() cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); translate([mount_d/2,0,0]) cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); }//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/2-idler_filament_offset,0,0]) rotate([90,0,0]) { mirror([0,1,0]) teardrop(d=filament_path_d,h=3*gearbox_d,center=true); translate([0,0, sqrt(2)*(mount_d-pulley_d+lsd)/2 ]) { cylinder(d1=filament_path_d,d2=2*filament_path_d, h=filament_path_d,$fn=2*filament_path_d*fnd); translate([0,0,filament_path_d-epsilon]) cylinder(d=2*filament_path_d,h=lsd*sqrt(2),$fn=2*filament_path_d*fnd); }//translate }//rotate translate place_idler // idler space and mounting hole place_idler() { cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60); cylinder(d=idler_screw_d,h=lever_thickness+2,center=true,$fn=30); translate([0,0,lever_thickness/2-idler_screwhead_h]) cylinder(d=idler_screwhead_d,h=idler_screwhead_h+1,$fn=fnd*idler_screwhead_d); } // mounting screw hole translate([mount_d/2,0,0]) cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*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,$fn=fnd*(spring_d+spring_d_clearance)); sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } }//rotate-translate }//difference // bridging patch - if(bridges) place_idler() - translate([0,0,lever_thickness/2-mount_screwhead_h]) - mirror([0,0,1]) - cylinder(d=mount_screwhead_d,h=layer_height); + if(bridges) place_idler() { + translate([0,0,lever_thickness/2-mount_screwhead_h]) + mirror([0,0,1]) cylinder(d=mount_screwhead_d,h=layer_height); + translate([0,0,-(idler_h+idler_v_tolerance)/2]) + 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,$fn=fnd*gearbox_d); // spring tensioner part translate([-gearbox_d/2,0,0]) hull() { translate([0,-longwing,ls_z]) rotate([0,90,0]) cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); hh=body_h-ls_z; translate([0,0,ls_z]) mirror([0,1,0]) cube(size=[fsw,longwing+(st_split_w+st_split_w_tolerance)/2+st_thickshell,body_h-ls_z]); hhh=ls_z; translate([0,0,0]) mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); }//hull translate // pushfit bracket translate([0,0,filament_elevation]) rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) { pfbl = pf_h(pf)+gearbox_d/2; //TODO: if(pf_smooth) { pfbd = pf_d(pf)+2*pf_shell; hull() { cylinder(d=pfbd,h=pfbl,$fn=pfbd*fnd); translate([-epsilon/2,0,0]) { cube(size=[epsilon,filament_elevation,pfbl-filament_elevation+pfbd/2]); mirror([0,1,0]) cube(size=[epsilon,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfbd/2]); }//translate }//hull }else{ pfb2a = pf_d(pf)+2*pf_shell; pfba = pfb2a/2; pfbd = pfb2a/cos(30); pfbs = pfb2a*tan(30); cylinder(d=pfbd,h=pfbl,$fn=6); translate([-pfbs/2,0,0]) { hull() { translate([0,-pfba,0]) cube(size=[pfbs,pfb2a,pfbl]); cube(size=[pfbs,filament_elevation,pfbl-filament_elevation+pfba]); mirror([0,1,0]) cube(size=[pfbs,body_h-filament_elevation,pfbl-body_h+filament_elevation+pfba]); }//hull }//translate*/ }//if(pf_smooth) }//translate rotate translate rotate translate }//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=fnd*(protrusion_d+protrusion_tolerance_h)); // mount screw holes for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { translate([0,0,mount_screw_l-mount_depth-(bridges?layer_height:-epsilon)]) mirror([0,0,1]) cylinder(d=mount_screw_d+mount_screw_d_tolerance, h=mount_screw_l-mount_depth+1, $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); translate([0,0,mount_screw_l-mount_depth]) cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); }//for // pushfit pf_offset = mount_d/sqrt(2)/2+mount_screw_d; translate([0,0,filament_elevation]) rotate([0,0,45]) translate([pulley_d/2+filament_offset,0,0]) rotate([-90,0,0]) translate([0,0,pf_offset]) rotate([0,0,180]) { pushfit(pf); mirror([0,0,1]) { fh = 1.5* (filament_guide_d-filament_path_d)/2; fo = pf_offset -filament_path_d /*(idler_d+idler_clearance)/2*/-fh; translate([0,0,-1]) teardrop(d=filament_guide_d,h=fo/2,angle=225); translate([0,0,-1]) teardrop(d=filament_path_d,h=gearbox_d/2+1,angle=-225); translate([0,0,fo+epsilon]) cylinder(d1=filament_path_d,d2=filament_guide_d,h=fh,$fn=fnd*filament_guide_d); }//mirror }//rotate translate rotate translate rotate translate // pulley cylinder(d=pulley_d+pulley_small_d_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_d_clearance)); cylinder(d=pulley_d+pulley_d_clearance,ls_z-max(idler_h,filament_guide_d)/2,$fn=fnd*(pulley_d+pulley_d_clearance)); translate([0,0,ls_z-ls_h/2]) { // idler travel translate([mount_d/2,0,0]) rotate([0,0,45]) rotate_extrude(angle=90,$fn=fnr*(shortwing+(idler_d+idler_clearance)/2)) square([shortwing+(idler_d+idler_clearance)/2,ls_h]); // idler itself place_idler() cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); |