112 lines
2 KiB
OpenSCAD
112 lines
2 KiB
OpenSCAD
/*
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* OpenSCAD Metric Fastners Library (www.openscad.org)
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* Copyright (C) 2010-2011 Giles Bathgate
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License,
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* LGPL version 2.1, or (at your option) any later version of the GPL.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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$fn=50;
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apply_chamfer=true;
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module cap_bolt(dia,len)
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{
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e=1.5*dia;
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h1=1.25*dia;
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cylinder(r=dia/2,h=len);
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translate([0,0,-h1]) cylinder(r=e/2,h=h1);
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}
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module csk_bolt(dia,len)
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{
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h1=0.6*dia;
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h2=len-h1;
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cylinder(r=dia/2,h=h2);
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cylinder(r1=dia,r2=dia/2,h=h1);
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}
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module washer(dia)
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{
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t=0.1*dia;
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difference()
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{
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cylinder(r=dia,h=t);
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translate([0,0,-t/2])cylinder(r=dia/2,h=t*2);
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}
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}
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module flat_nut(dia)
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{
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m=0.8*dia;
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e=1.8*dia;
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c=0.2*dia;
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difference()
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{
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cylinder(r=e/2,h=m,$fn=6);
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translate([0,0,-m/2])cylinder(r=dia/2,h=m*2);
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if(apply_chamfer)
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translate([0,0,c])cylinder_chamfer(e/2,c);
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}
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}
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module bolt(dia,len)
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{
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e=1.8*dia;
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k=0.7*dia;
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c=0.2*dia;
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difference()
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{
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cylinder(r=e/2,h=k,$fn=6);
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if(apply_chamfer)
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translate([0,0,c])cylinder_chamfer(e/2,c);
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}
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cylinder(r=dia/2,h=len);
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}
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module cylinder_chamfer(r1,r2)
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{
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t=r1-r2;
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p=r2*2;
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rotate_extrude()
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difference()
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{
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translate([t,-p])square([p,p]);
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translate([t,0])circle(r2);
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}
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}
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module chamfer(len,r)
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{
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p=r*2;
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linear_extrude(height=len)
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difference()
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{
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square([p,p]);
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circle(r);
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}
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}
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union()
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{
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//csk_bolt(3,14);
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//washer(3);
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//flat_nut(3);
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//bolt(4,14);
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//cylinder_chamfer(8,1);
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//chamfer(5,1);
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}
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