51 lines
1.7 KiB
OpenSCAD
51 lines
1.7 KiB
OpenSCAD
//
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// NopSCADlib Copyright Chris Palmer 2020
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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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//! Utility for making printed press fit connectors to join printed parts.
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//!
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//! Add solvent or glue to make a permanent fixture.
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//
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include <../core.scad>
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interference = 0.0;
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bridge_droop = layer_height; //sqrt(4 * layer_height * filament_width / PI) - layer_height;
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module press_fit_socket(w = 5, h = 50, horizontal = false) { //! Make a square hole to accept a peg
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h = horizontal ? h : h + bridge_droop;
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cube([w, w, 2 * h], center = true);
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}
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module press_fit_peg(h, w = 5, horizontal = false) { //! Make a rounded chamfered peg for easy insertion
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module chamfered_square(w, horizontal) {
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h = horizontal ? w - bridge_droop : w;
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rounded_square([w, h], 1);
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}
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translate_z(-eps)
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linear_extrude(height = h + eps - layer_height)
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chamfered_square(w + interference, horizontal);
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translate_z(h - layer_height - eps)
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linear_extrude(height = layer_height + eps)
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chamfered_square(w - layer_height, horizontal);
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}
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