/
dual_tool_holder.scad
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dual_tool_holder.scad
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// dual_tool_holder.scad
// Printable effector platform with a larger center opening for Rostock MAX V2.
// This is the main section of the dual tool holder and integrated fan shroud.
// By Gregg Christopher, 2015
// This file is public domain.
// The Rostock Max V2 is by SeeMeCNC: seemecnc.com
include <effector_constants.scad>;
module tool_platform() {
// Dual tool platform and upper portion of the fan shroud.
difference() {
union() {
// Cylinder shapes for holding the hot ends.
for(holder_offset = [offset, -offset]) {
translate([holder_offset, 0, hotend_height + 11.7]) {
cylinder(r = 17, h = 5.5, $fn = 50);
translate([0, 15, 0]) cylinder(r = 14, h = 5.5, $fn = 50);
translate([-14, 0, 0]) cube([28, 15, 5.5]);
}
}
// Brace section forming a triangle between the three mounting screws/supports.
translate([0, 0, hotend_height + 11.7])
for(rot = [0, 120, -120]) {
rotate([0, 0, rot]) {
// Top portion of the material above the vertical supports
translate([0, 32, 0]) {
cylinder(r = 4, h = 5.5, $fn = 20);
}
// Extension portion of the vertical supports. The vague idea is these are filed down as needed to get the hot ends perfectly level.
translate([0, 32, -printed_support_height]) {
cylinder(r = 4, h = printed_support_height, $fn = 20);
}
corner_length = 2 * cos(30) * 32;
translate([0, 32, 0]) rotate([0, 0, 150]) translate([-4, 0, 0]) cube([8, corner_length, 5.5]);
}
}
// Panel to cover up the corner of the triangle above the old fan shroud area.
translate([0, -12, hotend_height + 11.7 + 4.5]) {
cylinder(r = 3, h = 1);
}
// Cover another hole in the holder
translate([0, 22, hotend_height + 11.7 + 4.5]) {
cylinder(r = 4, h = 1);
}
// Side fan shroud sections
difference() {
union() {
intersection() {
translate([offset, 0, arm_attachment_height + 1])
cylinder(r = 14.5, h = hotend_height + 2.7, $fn = 50);
rotate([0, 0, -fan_rot2-10])
translate([33.5, fan_dy - 6 - 5, arm_attachment_height+1])
rotate([90, 0, -fan_rot])
cube([17, hotend_height + 2.7, 30]);
}
intersection() {
translate([-offset, 0, arm_attachment_height + 1])
cylinder(r = 14.5, h = hotend_height + 2.7, $fn = 50);
rotate([0, 0, fan_rot2+10])
translate([-16.3, fan_dy - 6 - 8, arm_attachment_height+1])
rotate([90, 0, fan_rot])
cube([17, hotend_height + 2.7, 30]);
}
translate([0, -6, arm_attachment_height + 1])
intersection() {
cylinder(r = 6, h = hotend_height + 2.7);
translate([-2, -4, 0]) cube([4, 12, hotend_height + 2.7]);
}
}
translate([offset, 0, arm_attachment_height + 1 - slop])
cylinder(r = 12.5, h = hotend_height + 2.7 + 2*slop, $fn = 50);
translate([-offset, 0, arm_attachment_height + 1 - slop])
cylinder(r = 12.5, h = hotend_height + 2.7 + 2*slop, $fn = 50);
}
}
// Cutouts to insert and hold the hot ends.
for(holder_offset = [offset, -offset]) {
translate([holder_offset, 0, hotend_height + 11.7]) {
translate([0, 0, -slop]) cylinder(r = 6, h = 5.5 + 2*slop, $fn = 50);
translate([0, 15, -slop]) cylinder(r = 8, h = 5.5 + 2*slop, $fn = 50);
translate([-6, 0, -slop]) cube([12, 20, 5.5 + 2*slop]);
}
}
// Screw holes for the vertical supports.
translate([0, 0, hotend_height + 11.7 - printed_support_height])
for(rot = [0, 120, -120]) {
rotate([0, 0, rot]) {
translate([0, 32, -slop]) {
cylinder(r = upright_screw_r, h = 5.5 + printed_support_height + 2*slop, $fn = 20);
}
}
}
// Holes for the top clamp screws.
translate([0, 0, hotend_height + 11.7 - 2*slop])
cylinder(r = top_clamp_screw_inner_r, h = 5.5 + 3*slop, $fn = 20);
translate([top_clamp_screw_offset, 0, hotend_height + 11.7 - slop])
cylinder(r = top_clamp_screw_inner_r, h = 5.5 + 2*slop, $fn = 20);
translate([-top_clamp_screw_offset, 0, hotend_height + 11.7 - slop])
cylinder(r = top_clamp_screw_inner_r, h = 5.5 + 2*slop, $fn = 20);
// Extra clearance for the center top clamp screw nut.
translate([0, 0, hotend_height + 11.7 - 6 - slop])
cylinder(r = top_clamp_screw_inner_r + 3, h = 6, $fn = 20);
// Cutout for the fan.
difference() {
union() {
translate([0, -14, arm_attachment_height+1])
rotate([90, 0, 0]) {
translate([0, 0.5, 0])
fan_30_mm(0);
translate([-15, 24, -fan_screw_attachment_h])
cube([6, 6, fan_screw_attachment_h]);
translate([9, 24, -fan_screw_attachment_h])
cube([6, 6, fan_screw_attachment_h]);
}
}
}
}
// Fan screw brackets
difference() {
union() {
translate([0, -14, arm_attachment_height+1])
rotate([90, 0, 0]) {
%fan_30_mm();
translate([-15, 24, -fan_screw_attachment_h])
difference() {
cube([6, 6, fan_screw_attachment_h]);
translate([3, 3, -slop]) cylinder(r = 1.5, h = fan_screw_attachment_h + 2*slop, $fn = 16);
}
translate([9, 24, -fan_screw_attachment_h])
difference() {
cube([6, 6, fan_screw_attachment_h]);
translate([3, 3, -slop]) cylinder(r = 1.5, h = fan_screw_attachment_h + 2*slop, $fn = 16);
}
}
}
}
}
// Rotate upside-down for printing
rotate([0, 180, 0])
tool_platform();