-rw-r--r-- | another.scad | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/another.scad b/another.scad index 92187c5..8ba0d58 100644 --- a/another.scad +++ b/another.scad @@ -79,16 +79,18 @@ module the_extruder( function lu(m,k) = m[search([k],m)[0]][1]; pulley_d = lu(pulley,"d"); pulley_h = lu(pulley,"h"); teeth_elevation = lu(pulley,"fe"); filament_offset = lu(pulley,"g")+filament_d/2; pulley_d_clearance = lu(pulley,"ssrc")*2; + sp_ch = st_split_w; + idler_filament_offset = filament_path_d/2; lever_shell = mount_screwhead_h+0.5; lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); lsd = idler_d-idler_clearance*2; // the diameter of lever thingie longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) sqrt(c*c+pow(a-c,2)); longwing_travel = idler_travel*longwing/shortwing; @@ -353,18 +355,21 @@ module the_extruder( 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, $fn=fnd*bigd); - translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) - cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); + translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) hull() { + cube(size=[body_h-ls_z-sp_ch-st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); + translate([0,0,sp_ch+st_split_w_tolerance+1]) + cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); + } }//translate translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); }//mirror }//translate // label body_label(); @@ -395,17 +400,17 @@ module the_extruder( rotate([0,90,0]) difference() { union() { cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); translate([0,0,hf-epsilon]) cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); translate([0,0,h]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); l = body_h-ls_z; - w = st_split_w; + w = sp_ch; hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { translate([0,0,w]) cube(size=[l,st_split_w,w]); cube(size=[l-w,st_split_w,2*w]); } } translate([0,0,-epsilon]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=st_screw_l-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |