230 lines
6.6 KiB
OpenSCAD
230 lines
6.6 KiB
OpenSCAD
// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
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// Created by Carlosgs (http://carlosgs.es)
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// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
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use <../libs/Write/Write.scad>
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use <../libs/build_plate.scad>
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use <../main_frame/frame.scad>
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use <../Y_axis/Y_rod_idler.scad>
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use <../Y_axis/motor_stand.scad>
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use <../Y_axis/linear_bearing_holder.scad>
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use <../Y_axis/Y_nut_holder.scad>
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use <../XZ_axis/X_carriage.scad>
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use <../XZ_axis/Z_carriage.scad>
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X_axis_sep = 210;
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Y_axis_sep = 210;
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Y_threaded_rod_length = (Y_axis_sep/2)+40;
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Y_linear_bearing_dist = Y_axis_sep/2-25-20;
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Y_rod_height = 40;
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Y_rod_dist_from_workbed = 12.5;
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Y_threaded_rod_height = Y_rod_height-8.218; // Obtained "by sight"
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Y_threaded_rod_dist_from_workbed = (Y_rod_height-Y_threaded_rod_height)+Y_rod_dist_from_workbed;
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workbed_X = X_axis_sep+20;
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workbed_Y = 122;//Y_linear_bearing_dist+25+20-3;
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workbed_thickness = 10;
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X_threaded_rod_height = 99.65;
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X_smooth_rods_sep = 50;
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X_smooth_rods_sep_projected = sqrt((X_smooth_rods_sep*X_smooth_rods_sep)/2); // Be careful with this measure, it is not properly named since it is used with the following offset:
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smooth_rod_margin = 1;
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X_rod_sep_real = X_smooth_rods_sep_projected+smooth_rod_margin;
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module frame_right() {
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color([1,0.8,0]) rotate([0,0,90]) scale([-1,1,1]) translate([-85,-23,135]) rotate([-90,0,0]) frame(with_motor = 0);
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}
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module frame_left() {
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color([1,1,0]) rotate([0,0,90]) scale([-1,-1,1]) translate([-85,-23,135]) rotate([-90,0,0]) frame(with_motor = 1);
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}
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module Y_rod_idler_left() {
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color([0.8,1,1]) rotate([0,0,90]) scale([1,-1,1]) translate([-26,-17,39]) rotate([-90,0,0]) Y_rod_idler();
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}
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module Y_rod_idler_right() {
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color([1,1,1]) rotate([0,0,90]) translate([-26,-17,39]) rotate([-90,0,0]) Y_rod_idler();
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}
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module Y_motor_stand() {
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color([0,1,1]) rotate([0,90,0]) translate([-45,0,52.4]) rotate([-90,0,0]) motor_stand();
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}
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module Y_idle_stand() {
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color([0,1,0.8]) rotate([0,90,180]) translate([-45,0,52.4]) rotate([-90,0,0]) idle_stand();
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}
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module linear_bearing_holder() {
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color([1,0.5,0])
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rotate([0,-90,-90]) translate([3,0,0]) lm8uu_bearing_holder();
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}
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module Y_nut_holder() {
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color([0.5,0.5,0])
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nut_holder_positioned();
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}
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module cnc_workbed() {
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// ---- work bed ----
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translate([0,0,-workbed_thickness/2+1]) {
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color([0.5,1,0.5,0.5]) { // Transparent color
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%cube([workbed_X,workbed_Y,workbed_thickness],center=true);
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difference() {
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cube([workbed_X,workbed_Y,workbed_thickness],center=true);
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cube([workbed_X-1,workbed_Y-1,workbed_thickness+1],center=true);
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}
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}
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}
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// --- Y axis nut holder
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rotate([0,0,180])
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Y_nut_holder();
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// ---- work bed linear bearing position ----
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translate([-X_axis_sep/2,-Y_linear_bearing_dist/2,0])
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rotate([0,0,180])
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linear_bearing_holder();
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translate([-X_axis_sep/2,Y_linear_bearing_dist/2,0])
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rotate([0,0,180])
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linear_bearing_holder();
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translate([X_axis_sep/2,-Y_linear_bearing_dist/2,0])
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linear_bearing_holder();
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translate([X_axis_sep/2,Y_linear_bearing_dist/2,0])
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linear_bearing_holder();
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}
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module X_carriage() {
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translate([0,X_rod_sep_real/2,0])
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rotate([0,0,90])
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X_carriage_assembled(show_printbed = 0, show_Xrods = 0, show_Zrods = 1);
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}
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module Z_carriage_piece() {
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translate([0,0,41])
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rotate([0,0,90])
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Z_carriage_assembled();
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}
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module cnc(show_printbed = 1) {
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// ---- build plate ----
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if(show_printbed) {
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//for display only, doesn't contribute to final object
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translate([X_axis_sep/2,Y_axis_sep/2,0])
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build_plate(3,297,210); // A4
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}
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// ---- main frames ----
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frame_left();
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translate([X_axis_sep,0,0])
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frame_right();
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// ---- Y rod idlers ----
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translate([0,Y_axis_sep,0]) {
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Y_rod_idler_left();
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translate([X_axis_sep,0,0])
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Y_rod_idler_right();
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}
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// ---- Y threaded rod motor and idler ----
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translate([X_axis_sep/2,Y_axis_sep/2,0]) {
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translate([0,Y_threaded_rod_length/2,0]) Y_motor_stand();
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translate([0,-Y_threaded_rod_length/2,0]) Y_idle_stand();
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}
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}
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module reference(dist=200,offset=0) {
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lineWidth = 0.5;
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thickness = 5;
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textSize = 5;
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translate([offset,0,0]) write(str(dist," mm"),t=thickness,h=textSize,center=true);
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translate([0,textSize,0]) {
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cube([dist,lineWidth,thickness],center=true);
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translate([dist/2,0,0]) cube([lineWidth,5,thickness],center=true);
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translate([-dist/2,0,0]) cube([lineWidth,5,thickness],center=true);
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}
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}
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module cnc_base_template() {
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projection(cut=true) translate([0,0,-1]) {
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cnc(); // Main structure
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translate([X_axis_sep/2,Y_axis_sep/2,0]) { // Reference rulers
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reference(X_axis_sep,60);
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translate([-20,0,0])
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rotate([0,0,90])
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reference(Y_threaded_rod_length,40);
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}
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}
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}
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module cnc_workbed_template() {
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projection(cut=true) translate([0,0,-1]) {
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cnc_workbed(); // Main structure
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translate([0,-20,0])
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reference(workbed_X,60);
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translate([-20,0,0])
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rotate([0,0,90])
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reference(workbed_Y,40);
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}
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}
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module rod(len=100) {
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color([0.8,0.8,0.8])
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rotate([90,0,0])
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cylinder(r=8/2,h=len,center=true,$fn=30);
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}
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module cnc_assembled(Y_offset=0,X_offset=0,Z_offset=0) {
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translate([-X_axis_sep/2,-Y_axis_sep/2])
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cnc();
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translate([0,0,Y_rod_height]) { // Y rod height, centered
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// --- workbed ---
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translate([0,Y_offset,12.5])
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rotate([0,180,0])
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cnc_workbed();
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// --- Y threaded rod ---
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translate([0,0,Y_threaded_rod_height-Y_rod_height])
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color([0.5,0.5,0.5]) rod(Y_threaded_rod_length+60);
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// --- Y smooth rods ---
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translate([X_axis_sep/2,0,0])
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rod(Y_axis_sep+15);
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translate([-X_axis_sep/2,0,0])
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rod(Y_axis_sep+15);
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}
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translate([0,-19,99.65]) { // X threaded rod height, centered over SMOOTH rod
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// --- X axis ---
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translate([0,-X_rod_sep_real,0]) {
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translate([-X_offset,0,0]) {
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X_carriage();
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translate([0,X_rod_sep_real/2,Z_offset])
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Z_carriage_piece();
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}
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rotate([0,0,90])
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color([0.5,0.5,0.5]) rod(X_axis_sep+80);
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translate([0,0,X_rod_sep_real])
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rotate([0,0,90])
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rod(X_axis_sep+60);
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}
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rotate([0,0,90])
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rod(X_axis_sep+60);/// WARNING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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/// INCOHERENT X_axis_sep!!!!!!!!!!!
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}
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// --- Wood base ---
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translate([0,0,-15/2-0.1])
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color([0.7,0.6,0.4])
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cube([X_axis_sep+70,Y_axis_sep+30,15],center=true);
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}
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rotate([0,0,90])cnc_assembled(Y_offset=30,X_offset=-50,Z_offset=10);
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//rotate([0,0,90]) cnc_base_template(); // So the generated dxf matches inkscape's default orientation
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// cnc_workbed_template();
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