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-rw-r--r--another.scad3
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() {