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/*
* Remake of x-end-bracket_2off
* by Len Trigg <lenbok@gmail.com> 2010-05-08
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
<mendel.inc>
<mendel.conf>
// Maybe move these two puppies into mendel.inc
module m3_hole_vert(l) {
cylinder(l,m3_clearance_rad,m3_clearance_rad,center=true);
}
module m3_slot_vert(l) {
box(m3_clearance_rad*2, 6, l);
}
// Outer dimensions
x_end_bracket_length=76;
x_end_bracket_width=62;
x_end_bracket_depth=10;
// Size of the square where the motor attaches
x_end_bracket_inner_length=44;
x_end_bracket_inner_width=43;
// Thickness of the raised wall
x_end_bracket_inner_wall=5;
x_end_bracket_slot_width=12;
// bolt insets
x_end_bracket_bolt_inset=4;
module x_end_bracket_2off() {
yoff1=(x_end_bracket_inner_width-x_end_bracket_width)/2;
yoff2=3*x_end_bracket_inner_width/2-x_end_bracket_width/2+x_end_bracket_inner_wall;
xoff1=-x_end_bracket_inner_length-x_end_bracket_inner_wall;
xoff2=x_end_bracket_inner_length+x_end_bracket_inner_wall;
yoff3=4;
yoff4=-x_end_bracket_width/2+3*x_end_bracket_bolt_inset/2;
yoff5=x_end_bracket_width/2-9;
xoff3=x_end_bracket_length/2-x_end_bracket_bolt_inset;
xoff4=xoff3-21.5;
difference() {
box(x_end_bracket_length, x_end_bracket_width, x_end_bracket_depth);
union() {
// Cut out some squares to leave the raised crosses
translate([0,yoff1-1,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width+2, x_end_bracket_depth);
translate([xoff1,yoff1-1,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width+2, x_end_bracket_depth);
translate([xoff2,yoff1-1,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width+2, x_end_bracket_depth);
translate([xoff1,yoff2,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width, x_end_bracket_depth);
translate([0,yoff2,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width, x_end_bracket_depth);
translate([xoff2,yoff2,x_end_bracket_depth/2]) box(x_end_bracket_inner_length, x_end_bracket_inner_width, x_end_bracket_depth);
// Motor mounting bits
translate([0,-nema17_side/2+12,7]) nema_17();
translate([0,-x_end_bracket_width/2,0]) box(x_end_bracket_slot_width, x_end_bracket_inner_width, x_end_bracket_depth+2);
translate([0,-x_end_bracket_width/2,0]) rotate([0,0,45]) box(x_end_bracket_slot_width+2, x_end_bracket_slot_width+2, x_end_bracket_depth+2);
// screw slots
translate([-xoff3,yoff3,0]) m3_slot_vert(x_end_bracket_depth+2);
translate([xoff3,yoff3,0]) m3_slot_vert(x_end_bracket_depth+2);
translate([-xoff3,yoff4,0]) m3_slot_vert(x_end_bracket_depth+2);
translate([xoff3,yoff4,0]) m3_slot_vert(x_end_bracket_depth+2);
// screw holes
translate([-xoff3,yoff5,0]) m4_hole_vert(x_end_bracket_depth+2);
translate([xoff3,yoff5,0]) m4_hole_vert(x_end_bracket_depth+2);
translate([-xoff4,yoff5,0]) m4_hole_vert(x_end_bracket_depth+2);
translate([xoff4,yoff5,0]) m4_hole_vert(x_end_bracket_depth+2);
}
}
}
// In case you want to see the original for comparison purposes
//translate([-x_end_bracket_length/2, -x_end_bracket_width/2, -x_end_bracket_depth]) import_stl("x-end-bracket_2off.stl");
translate([0, 0, x_end_bracket_depth/2]) x_end_bracket_2off();