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77 lines
2.4 KiB
77 lines
2.4 KiB
/*
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* Camera Shoulder Rig
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*
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* Copyright (c) 2021 Steve Cross <flip@foxhollow.cc>
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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 2 of the License, or
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* (at your option) any later version.
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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include <threads.scad>;
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include <_shared.scad>;
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$thickness=10;
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$diameter=185;
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$angle=40;
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$test=true;
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difference() {
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union() {
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translate([4, $diameter/2, 0])
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rotate([0, 0, $angle])
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union() {
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// shoulder pad
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difference() {
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cylinder(h=$width, d=$diameter, $fn=90);
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translate([0, 0, -1])
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cylinder(h=$width+2, d=($diameter-($thickness*2)), $fn=90);
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// turn cylinder into semi-circle
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translate([-55, -($diameter/3)*2, -1])
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cube([$diameter, $diameter, $width+2]);
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// remove material from rear of shoulder pad
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translate([-60, 0, -1])
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cube([$diameter, $diameter, $width+2]);
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/*translate([-8, -(($diameter/2)-9.5), -1])
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rotate([0, 0, -10])
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cube([45, 10, $width+2]);
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*/
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};
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};
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union() {
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// chest plate
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color("green")
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cube([90, 10, $width]);
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// rod support
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translate([0, 1, 0])
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linear_extrude(height=$width)
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polygon(points=[[50,0],[90,0],[30,-30],[12,0]], paths=[[0,1,2,3]]);
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};
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};
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// threads
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translate([20, -1, $rail_offset])
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rotate([90, 0, $angle])
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english_thread((17/64), 20, 1.25, internal=true, test=$test);
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// threads
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translate([20, -1, $rail_offset+$rail_spacing])
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rotate([90, 0, $angle])
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english_thread((17/64), 20, 1.25, internal=true, test=$test);
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}; |