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/*
* Mendel Filament Spindle Spool Hub 1off
* by Tony Buser <tbuser@gmail.com>
*
* 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 3 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
*/
include <../mendel.inc>
include <../mendel.conf>
include <spindle.scad>
spool_hub_height = 5;
spool_hub_diameter = 75;
spool_hub_spoke_width = 20;
spool_hub_spoke_length = 20; // made oversized so that spool ID is adjustable
spool_hub_bolt_diameter = 3; // 4mm would be better, but I only have 3mm at the moment
module spool_hub() {
difference() {
cylinder(spool_hub_height,spool_hub_diameter/2,spool_hub_diameter/2,center=true);
// center hole
spindle_hole_vert(spool_hub_height+2);
// left mounting hole
translate([-rod_diameter, 0, 0]) {
cylinder(spool_hub_height+2, spool_hub_bolt_diameter/2, spool_hub_bolt_diameter/2, center=true);
}
// right mounting hole
translate([rod_diameter, 0, 0]) {
cylinder(spool_hub_height+2, spool_hub_bolt_diameter/2, spool_hub_bolt_diameter/2, center=true);
}
// back mounting hole
translate([0, rod_diameter, 0]) {
cylinder(spool_hub_height+2, spool_hub_bolt_diameter/2, spool_hub_bolt_diameter/2, center=true);
}
// front mounting hole
translate([0, -rod_diameter, 0]) {
cylinder(spool_hub_height+2, spool_hub_bolt_diameter/2, spool_hub_bolt_diameter/2, center=true);
}
// back spoke cutout
translate([0, spool_hub_diameter/2-spool_hub_spoke_length/2, 0]) {
box(spool_hub_spoke_width, spool_hub_spoke_length, spool_hub_height+2);
}
// front spoke cutout
translate([0, -spool_hub_diameter/2+spool_hub_spoke_length/2, 0]) {
box(spool_hub_spoke_width, spool_hub_spoke_length, spool_hub_height+2);
}
// left spoke cutout
translate([-spool_hub_diameter/2+spool_hub_spoke_length/2, 0]) {
rotate([0, 0, 90]) box(spool_hub_spoke_width, spool_hub_spoke_length, spool_hub_height+2);
}
// right spoke cutout
translate([spool_hub_diameter/2-spool_hub_spoke_length/2, 0, 0]) {
rotate([0, 0, 90]) box(spool_hub_spoke_width, spool_hub_spoke_length, spool_hub_height+2);
}
}
}
translate([0, 0, spool_hub_height/2]) {
spool_hub();
}
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