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59 lines
2.5 KiB
OpenSCAD
59 lines
2.5 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2021
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// nop.head@gmail.com
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// hydraraptor.blogspot.com
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//
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// This file is part of NopSCADlib.
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//
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// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
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// GNU General Public License as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along with NopSCADlib.
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// If not, see <https://www.gnu.org/licenses/>.
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//
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//
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//! Box sections.
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//
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include <../utils/core/core.scad>
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include <../utils/tube.scad>
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include <../vitamins/sheets.scad>
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function box_section_material(type) = type[1]; //! Material description
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function box_section_size(type) = type[2]; //! Size
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function box_section_thickness(type) = type[3]; //! Wall thickness
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function box_section_fillet(type) = type[4]; //! Fillet
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function box_section_colour(type) = type[5]; //! Colour
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function box_section_colour2(type) = type[6]; //! Colour2, for woven box section
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function box_section_is_woven(type) = !is_undef(type[6]); //! Box section is woven, eg carbon fiber
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module box_section(type, length, center = true) {
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vitamin(str("box_section(", type[0], arg(length, 15), "): ", box_section_material(type), ", length ", length, "mm"));
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size = box_section_size(type);
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thickness = box_section_thickness(type);
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if (box_section_is_woven(type))
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translate_z(center ? 0 : length / 2) {
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rotate([0, -90, 90])
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for (z = [-size.y / 2, size.y / 2 - thickness])
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translate_z(z)
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woven_sheet(CF1, thickness, box_section_colour(type), box_section_colour2(type), length, size.x)
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square([length, size.x], center=true);
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rotate([0, -90, 0])
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for (z = [-size.x / 2, size.x / 2 - thickness])
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translate_z(z)
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woven_sheet(CF1, thickness, box_section_colour(type), box_section_colour2(type), length, size.y)
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square([length, size.y], center=true);
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}
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else
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color(box_section_colour(type))
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rectangular_tube([size.x, size.y, length], center, thickness, box_section_fillet(type));
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}
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