| -rw-r--r-- | another.scad | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/another.scad b/another.scad index e4d79f9..915b184 100644 --- a/another.scad +++ b/another.scad @@ -20,27 +20,27 @@ module the_extruder( pulley = pulley_e3d, pulley_elevation = 1, // pulley elevation above the protrusion // idler properties idler_d = 10, idler_h = 4, idler_id = 3, // idler dimensions: outer and inner diameters and height // spring properties spring_d = 10, spring_lc = 9.6, // spring diameter and compressed length // filament path properties filament_d = 1.75, filament_path_d = 2, filament_guide_d = 4, // PTFE filament guide diameter // knob properties knob_h = 10, - knob_bore_l = 4, knob_indent_d = 4, knob_indents = 12, + knob_v_clearance = 1, // spring tensioner st_nut_d = 9, st_nut_h = 4, st_screw_d = 5, st_thickshell = 8*extrusion_width, st_thinshell = 2*extrusion_width, st_split_w = 4*extrusion_width, // screw it mount_screw_d = 3.1, mount_screw_l = 20, mount_screwhead_d=6, mount_screwhead_h=3, idler_screw_d = 3, idler_screwhead_d=6, idler_screwhead_h=3, @@ -399,24 +399,25 @@ module the_extruder( 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=2*hf+epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); } } module knob() { ch = knob_indent_d/2; + knob_bore_l = body_h-protrusion_h-pulley_elevation-pulley_h-knob_v_clearance; translate([0,0,body_h+epsilon]) { mirror([0,0,1]) translate([0,0,-epsilon]) { difference() { cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); 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() { |