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Added new features
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- text on cover added
- possibility to create a cover with equal width to the duct
- TODO: adjust the tolerance for equal width cover
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@RealNagus
RealNagus committed Aug 1, 2019
1 parent 0ddacc6 commit 540fc82
Showing 1 changed file with 79 additions and 38 deletions.
117 changes: 79 additions & 38 deletions Cable duct.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,11 @@
* https://www.dream-dimensions.de
* https://www.thingiverse.com/thing:3775502
*
* Version: 1.1 (2019-08-01)
*
* ChangeLog:
* - Added text capabilities (2019-08-01)
* You can add custom text to the cover
* - Initial release (2019-07-28)
* model creation works, first print successful.
*/
Expand All @@ -35,6 +39,8 @@ cd_fins = 8;
cd_fin_width = 3;
// Shell thickness (should be a multiple of your nozzle diameter)
cd_shell = 1.2;
// Force equal cover width - no overlap
cd_cover_equalwidth = 1; // [true, false]

// Which part to create? Duct, cover or both.
part = "both"; // [duct:Cable duct,cover:Duct top cover,both:Both parts]
Expand All @@ -52,6 +58,19 @@ mf_top_offset = 0.6;
// Tolerance between cover and duct
mf_top_tolerance = 0.15;

/* [Cover text] */
// Show the text?
text_enable = true; // [true, false]
// The text
text_string = "I see cables!";
// Engraving depth, should be a multiple of layer height
text_depth = 0.6;
// Scaling relative to duct width
text_scale = 0.6;
// The font to use
text_font = "DejaVu Sans";


/* [Hidden] */
// the color
col = [0.3,0.5,0.85];
Expand All @@ -63,9 +82,7 @@ cd_slit_width = cd_fin_spacing - cd_fin_width;


// Create the part
print_part();


render() print_part();

/*
Create the part based on the part-variable: duct, cover or both
Expand All @@ -86,7 +103,7 @@ module print_part()
/*
Generates a trapezoidal profile that serves as a mounting feature for a cover.
*/
module clip_profile()
module clip_profile(forCover)
{
// Make the the angle is properly defined and does not lead to geometry errors
assert(mf_angle > 0, "The angle must be greater than 0 deg.");
Expand All @@ -99,6 +116,16 @@ module clip_profile()
[mf_depth,-mf_length+mf_depth*tan(90-mf_angle)],
[mf_depth,-mf_depth*tan(90-mf_angle)]];
polygon(polyp);

if (cd_cover_equalwidth && ! forCover)
{
polygon([[0,0],
[0, mf_top_offset],
[-cd_shell, mf_top_offset],
[-cd_shell, -mf_length-cd_shell*tan(mf_angle)],
[0, -mf_length],
]);
}
}


Expand All @@ -108,12 +135,14 @@ module clip_profile()
module inner_duct_profile()
{
cd_hwidth = cd_width/2;
polygon([[cd_hwidth-mf_depth-cd_shell, cd_height+s],
[cd_hwidth-mf_depth-cd_shell, cd_height-mf_length-mf_top_offset],
[cd_hwidth-cd_shell, cd_height-mf_length-mf_top_offset-mf_depth*tan(45)],
[cd_hwidth-cd_shell, cd_shell],
[0, cd_shell],
[0, cd_height+s]]);
depth_factor = cd_cover_equalwidth ? 2 : 1;

polygon([[cd_hwidth-depth_factor*mf_depth-cd_shell, cd_height+s],
[cd_hwidth-depth_factor*mf_depth-cd_shell, cd_height-mf_length-mf_top_offset],
[cd_hwidth-cd_shell, cd_height-mf_length-mf_top_offset-depth_factor*mf_depth*tan(45)],
[cd_hwidth-cd_shell, cd_shell],
[0, cd_shell],
[0, cd_height+s]]);
}

/*
Expand All @@ -134,19 +163,20 @@ module create_duct_profile()
square(1, center=false);

union() {
translate([-cd_width/2-s, cd_height-mf_top_offset])
clip_profile();

translate([cd_width/2+s, cd_height-mf_top_offset])
mirror([1, 0])
clip_profile();
xoffset = cd_cover_equalwidth ? mf_depth+mf_top_tolerance : 0;

translate([-cd_width/2-s+xoffset+mf_top_tolerance, cd_height-mf_top_offset])
clip_profile();
translate([cd_width/2+s-xoffset, cd_height-mf_top_offset])
mirror([1, 0])
clip_profile();
}
}
}
union() {
inner_duct_profile();
mirror([1, 0])
inner_duct_profile();
inner_duct_profile();
mirror([1, 0])
inner_duct_profile();
}
}

Expand All @@ -158,21 +188,23 @@ module create_duct_profile()
module create_cover_profile()
{
union() {
translate([cd_width/2+mf_top_tolerance, cd_height-mf_top_offset, 0])
xoffset = cd_cover_equalwidth ? cd_shell+mf_top_tolerance : 0;

translate([cd_width/2+mf_top_tolerance-xoffset, cd_height-mf_top_offset, 0])
mirror([1, 0])
clip_profile();
clip_profile(1);

translate([-cd_width/2-mf_top_tolerance, cd_height-mf_top_offset, 0])
clip_profile();
translate([-cd_width/2-mf_top_tolerance+xoffset, cd_height-mf_top_offset, 0])
clip_profile(1);

polygon([[cd_width/2+mf_top_tolerance, cd_height-mf_top_offset-mf_length],
[cd_width/2+mf_top_tolerance, cd_height+mf_top_tolerance],
[-cd_width/2-mf_top_tolerance, cd_height+mf_top_tolerance],
[-cd_width/2-mf_top_tolerance, cd_height-mf_top_offset-mf_length],
[-cd_width/2-mf_top_tolerance-cd_shell, cd_height-mf_top_offset-mf_length],
[-cd_width/2-mf_top_tolerance-cd_shell, cd_height+mf_top_tolerance+cd_shell],
[cd_width/2+mf_top_tolerance+cd_shell, cd_height+mf_top_tolerance+cd_shell],
[cd_width/2+mf_top_tolerance+cd_shell, cd_height-mf_top_offset-mf_length],
polygon([[cd_width/2+mf_top_tolerance-xoffset, cd_height-mf_top_offset-mf_length],
[cd_width/2+mf_top_tolerance-xoffset, cd_height+mf_top_tolerance],
[-cd_width/2-mf_top_tolerance+xoffset, cd_height+mf_top_tolerance],
[-cd_width/2-mf_top_tolerance+xoffset, cd_height-mf_top_offset-mf_length],
[-cd_width/2-mf_top_tolerance-cd_shell+xoffset, cd_height-mf_top_offset-mf_length],
[-cd_width/2-mf_top_tolerance-cd_shell+xoffset, cd_height+mf_top_tolerance+cd_shell],
[cd_width/2+mf_top_tolerance+cd_shell-xoffset, cd_height+mf_top_tolerance+cd_shell],
[cd_width/2+mf_top_tolerance+cd_shell-xoffset, cd_height-mf_top_offset-mf_length],
]);
}
}
Expand All @@ -188,8 +220,7 @@ module create_duct()
difference() {
linear_extrude(height=cd_length, center=false)
create_duct_profile();



union() {
for (i = [0:cd_fins-1]) {
translate([-cd_width/2-1, 3*cd_shell, i*cd_fin_spacing+cd_fin_width])
Expand All @@ -207,9 +238,19 @@ module create_duct()
module create_cover()
{
color(col)
translate([2*cd_width, 0, cd_height+mf_top_tolerance+cd_shell])
rotate(180, [0, 1, 0])
rotate(90, [1, 0, 0])
linear_extrude(height=cd_length, center=false)
create_cover_profile();
difference() {
//translate([2*cd_width, 0, cd_height+mf_top_tolerance+cd_shell])
//rotate(180, [0, 1, 0])
rotate(90, [1, 0, 0])
linear_extrude(height=cd_length, center=false)
create_cover_profile();

if (text_enable) {
translate([2*cd_width, -cd_length/2, -s+0.6])
rotate(90, [0, 0, -1])
rotate(180, [1, 0, 0])
linear_extrude(height=text_depth, center=false)
text(text_string, cd_width*text_scale, text_font, valign="center", halign="center", $fn=32);
}
}
}

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