-rw-r--r-- | another.scad | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/another.scad b/another.scad index 83a4e43..4842e1b 100644 --- a/another.scad +++ b/another.scad @@ -316,98 +316,98 @@ module the_extruder( 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)); // lever space rotate([0,0,45]) rotate_extrude(angle=-135+max(atan(2*fsw/gearbox_d-1),atan(gearbox_d/mount_d-1))) square([gearbox_d/2+1,ls_h]); } // back side cutout // XXX: this is somewhat ugly and potentially bugged, // but I want to sleep. a0_ = atan( (pf_offset+pf_h(pf)+gearbox_d/2) / ( pulley_d/2+filament_offset- (pf_d(pf)+2*pf_shell)/2/cos(30) ) ); a0 = -135 + ( (a0_>0) ? a0_ : 180+a0_ ); a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); translate([0,0,ls_z]) difference() { rotate([0,0,-180+a0]) rotate_extrude(angle=a1-a0) translate([0,-ls_h/2]) square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, ls_h]); translate([-mount_d/2,0,0]) cylinder(d=gearbox_d-mount_d,h=ls_h+2,center=true,$fn=fnd*(gearbox_d-mount_d)); }//difference translate // spring tensioner translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { mirror([0,0,1]) { translate([0,0,st_thickshell]) hull() for(o=[0,spring_d]) translate([0,-o,0]) rotate([0,0,30]) cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); bigd = spring_d+spring_d_clearance; hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, h=hf+epsilon, $fn=fnd*bigd); translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) hull() { - cube(size=[body_h-ls_z-sp_ch-st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); - translate([0,0,sp_ch+st_split_w_tolerance+1]) + cube(size=[body_h-ls_z-st_w+st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); + translate([0,0,st_w+1]) cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); } }//translate translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); }//mirror }//translate // label body_label(); // scale body_scale(); }//difference }//body module module body_scale() { scale_thickness = 2*layer_height; nscales = 5; x1 = -gearbox_d/2+fsw-st_h+st_w+st_bump*2-st_bump_tip/2; x0 = -gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+st_split_w+st_split_w_tolerance+st_bump_tip/2; w0 = st_split_w+st_split_w_tolerance+2*(extrusion_width+2*extrusion_width); w1 = 2*(longwing-gearbox_d/2-extrusion_width); translate([0,-longwing,body_h-scale_thickness]) difference() { for(x=[x0:(x1-x0)/(nscales-1):x1]) let(w=w0+(w1-w0)*(x-x0)/(x1-x0)) translate([x-st_bump_tip/2,-w/2,0]) cube(size=[st_bump_tip,w,scale_thickness+epsilon]); let(w=st_split_w+st_split_w_tolerance+extrusion_width) translate([-gearbox_d/2,-w/2,-1]) cube(size=[fsw,w,scale_thickness+2]); } } module body_label() { if(body_label) { label=body_label; label_thickness=body_label_thickness; label_len = len(label); labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; translate([0,0,body_h-label_thickness]) linear_extrude(height=label_thickness+epsilon,convexity=64) translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) mirror([left?0:1,0]) text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); }else sphere(d=epsilon); // to avoid makefile breakage } st_bump = 4*extrusion_width; |