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97 lines
3.8 KiB
OpenSCAD
97 lines
3.8 KiB
OpenSCAD
//
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// Mendel90
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//
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// GNU GPL v2
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// Flat sheets
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//
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// If you'd like to add a new material type, or a different color of an existing material type
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// simply add a new line here (or in your machine config file).
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//
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// The "Soft" parameter determines if the sheet material needs machine screws or wood screws
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// if "soft", wood screws will be used, with a pilot hole.
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// If "not soft", either tapped holes or a clearance hole and nuts will be used to retain screws.
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//
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// The "Color" parameter is a quad-array: [R, G, B, Alpha], or can be a named color
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// see http://en.wikibooks.org/wiki/OpenSCAD_User_Manual/The_OpenSCAD_Language#color
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//
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// [ Code, Description, Thickness, Color, Soft]
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//
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MDF6 = [ "MD", "MDF sheet", 6, [0.4, 0.4, 0.2, 1 ], true]; // ~1/4"
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MDF10 = [ "MD", "MDF sheet", 10, [0.4, 0.4, 0.2, 1 ], true]; // ~3/8"
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MDF12 = [ "MD", "MDF sheet", 12, [0.4, 0.4, 0.2, 1 ], true]; // ~1/2"
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MDF19 = [ "MD", "MDF sheet", 19, [0.4, 0.4, 0.2, 1 ], true]; // ~3/4"
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PMMA6 = [ "AC", "Acrylic sheet", 6, [1, 1, 1, 0.5 ], false]; // ~1/4"
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PMMA8 = [ "AC", "Acrylic sheet", 8, [1, 1, 1, 0.5 ], false]; // ~5/16"
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PMMA10 = [ "AC", "Acrylic sheet", 10, [1, 1, 1, 0.5 ], false]; // ~3/8"
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glass2 = [ "GL", "Glass sheet", 2, [1, 1, 1, 0.25 ], false];
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DiBond = [ "DB", "Dibond sheet", 3, "RoyalBlue", false];
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DiBond6 = [ "DB", "Dibond sheet", 6, "RoyalBlue", false];
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Cardboard= [ "CB", "Corrugated cardboard", 5, [0.8, 0.6, 0.3, 1 ], false];
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FoilTape = [ "AF", "Aluminium foil tape",0.05,[0.9, 0.9, 0.9, 1 ], false];
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Foam20 = [ "FM", "Foam sponge", 20,[0.3, 0.3, 0.3, 1 ], true];
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function sheet_thickness(type) = type[2];
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function sheet_colour(type) = type[3];
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function sheet_is_soft(type) = type[4];
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module corner(r) {
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if(r > 0)
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translate([r, - r])
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circle(r, center = true);
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else
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if(r < 0)
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translate([-r, r])
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rotate([0,0,45])
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square(-r * sqrt(2), -r * sqrt(2), center = true);
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else
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translate([0.5, -0.5])
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square(1, center = true);
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}
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module sheet(type, w, d, corners = [0, 0, 0, 0]) {
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t = sheet_thickness(type);
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vitamin(str(type[0], ceil(t), round(w), round(d),": ",type[1]," ", round(w), "mm x ", round(d), "mm x ", t, "mm"));
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color(sheet_colour(type))
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linear_extrude(height = t, center = true)
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hull() {
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translate([-w/2, d/2])
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corner(corners[0]);
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translate([ w/2, d/2])
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rotate([0, 0, -90])
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corner(corners[1]);
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translate([ w/2, -d/2])
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rotate([0, 0, -180])
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corner(corners[2]);
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translate([-w/2, -d/2])
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rotate([0, 0, -270])
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corner(corners[3]);
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}
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}
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module taped_area(type, tape_width, w, d, overlap) {
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total_width = w + 2 * overlap;
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strips = ceil(total_width / tape_width);
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pitch = total_width / strips;
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intersection() {
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group() {
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for(i = [0 : strips - 1]) {
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k = (i % 2) ? 0.9 : 1;
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c = sheet_colour(type);
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translate([-w / 2 - overlap + tape_width / 2 + i * pitch, 0, sheet_thickness(type) / 2 + i * eta])
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explode([0, 0, d / 2 + i * 10])
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color([c[0] * k, c[1] * k, c[2] * k, c[3]])
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sheet(type, tape_width, d + 2 * overlap);
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}
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}
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if(!exploded)
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cube([w + 2 * eta, d + 2 * eta, 100], center = true);
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}
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}
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