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Metamaquina2Beta.scad
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// (c) 2013 Felipe C. da S. Sanches <fsanches@metamaquina.com.br>
// Lincensed under the terms of the GNU General Public License
// version 3 (or later).
/*Thickness of acrylic or plywood sheets to use. Be sure to use a value slightly larger than the nominal material thickness in order to be tolerant to variations on the material's actual thickness*/
thickness = 6 + 0.5; //6mm thick sheets
/*z motor placement in the original Prusa was on top. Our design uses the z motors in the bottom of the machine, but if you want them on top, you can set this variable to true. */
zmotors_on_top = false;
//utils
use <tslot.scad>;
use <rounded_square.scad>;
use <608zz_bearing.scad>;
use <washer.scad>;
use <nut.scad>;
use <domed_cap_nuts.scad>;
//use <pulley.scad>;
epsilon=0.1;
inch=25.4;
m3_diameter = 3;
m4_diameter = 4;
m8_diameter = 8;
m8_nut_height = 6.3; //TODO: check the datasheets
m8_washer_height = 1.5; //TODO: check the datasheets
//platic parts
use <lm8uu-holder.scad>;
use <belt-clamp.scad>;
use <bar-clamp.scad>;
use <coupling.scad>;
//rendering configs:
//*
preview_lasercut=true;
preview_pcb=true;
preview_ABS=true;
preview_PLA=true;
preview_metal=true;
preview_threaded_metal=true;
preview_rubber=true;
preview_nozzle=true;
preview_peek=true;
preview_powersupply=true;
//*/
/*
preview_lasercut=false;
preview_pcb=false;
preview_ABS=false;
preview_PLA=false;
preview_metal=false;
preview_threaded_metal=false;
preview_rubber=true;
preview_nozzle=false;
preview_peek=false;
preview_powersupply=false;
//*/
render_bolts = false;
render_build_volume=false;
render_xplatform=true;
rubber_color = [0.1, 0.1, 0.1];
nozzle_color = "gold";
pcb_color = [1.0, 0.0, 0.0];
threaded_metal_color = [0.6, 0.6, 0.6];
metal_color = [0.7, 0.7, 0.7];
powersupply_color = metal_color;
PLA_color = [0.95, 0.35, 0.35];
ABS_color = [0.95, 0.95, 0.85];
//sheet_color = [0.95, 0.8, 0.65];
sheet_color = [0.9, 0.3, 0.3, 1];
peek_color = "beige";
/* Desired build volume: */
BuildVolume_X=215;
BuildVolume_Y=215;
BuildVolume_Z=150;
hack_couplings = 5; // for astethical purposes, the z-couplings are animated rotating <hack_couplings> times slower than the correct mechanical behaviour
time = $t;
function carx_demo(time) = sin(360*time*7)*BuildVolume_X/2;
function cary_demo(time) = cos(360*time*7)*BuildVolume_Y/2;
//function carz_demo(time) = (0.5+0.5*sin(360*time))*0.3*BuildVolume_Y/2 + 0.7*BuildVolume_Y/2;
function carz_demo(time) = time*BuildVolume_Z;
function extruder_demo(time) = 360*time*5;
function coupling_demo(time) = (360*carz_demo(time)/1.25)/hack_couplings;
/* Positioning of the extruder assembly */
XCarPosition = carx_demo(time);
YCarPosition = cary_demo(time);
ZCarPosition = carz_demo(time);
//-------------------------
//RepRap standards:
X_rods_distance = 50;
X_rods_diameter=8;
z_rod_z_bar_distance = 30;
Y_rods_distance = 140;
//-------------------------
//machine configs:
/* whether or not to add holes for a PowerSupply manufactured by Hiqua and sold
by Nodaji in Brazil */
HIQUA_POWERSUPPLY=true;
powersupply_cut_width = 25;
/* dimensions of the machine feet */
feetwidth = 50;
feetheight = 12;
//motor dimensions based on Action Motors NEMA17 datasheet
motor_shaft_length = 24;
motor_shaft_diameter = 5;
NEMA17_width=42;
NEMA17_height=42;
NEMA17_length=40;
/*Here are a bunch of constants that determine the overall positioning
and dimensions of the several acrylic/plywood panels:*/
BuildPlatform_SidePanels_distance = 40;
SidePanels_distance = BuildVolume_X + 2*BuildPlatform_SidePanels_distance;
RightPanel_baseheight = 92;
RightPanel_basewidth = 2*(BuildVolume_Y)+10;
//Z_rods_distance = 388; //PrusaAir2
Z_rods_distance = SidePanels_distance + 2*(z_rod_z_bar_distance + NEMA17_width/2 + 5);
//TODO: machine_width = ?;
machine_height = BuildVolume_Z + 207.2; //why?
baseh = 35;
ArcPanel_rear_advance = 105;
horiz_bars_length = SidePanels_distance + 2*(m8_nut_height + m8_washer_height);
base_bars_height = 17;
base_bars_Zdistance = 50;
bar_cut_length=13;
Y_rod_length = RightPanel_basewidth - 2*(bar_cut_length + m8_diameter/2) + 24;
Y_rod_height = base_bars_Zdistance + base_bars_height + 10.2;//TODO
BottomPanel_width=60;
Z_rod_sidepanel_distance = (Z_rods_distance - SidePanels_distance)/2 + thickness;
lm8uu_holder_rod_height = 14;
YPlatform_height = Y_rod_height + lm8uu_holder_rod_height;
pcb_height = YPlatform_height + 10;
BuildPlatform_height = pcb_height+2;
//machine_x_dim is the actual width of the whole machine
machine_x_dim = Z_rods_distance+2*(lm8uu_holder_rod_height+thickness);
XPlatform_height = 45;
//ZLink-specific parameters:
ZLink_rod_height = 11*sqrt(3)/2;
dx_z_threaded = 14;
Zlink_hole_height = thickness + (XPlatform_height-thickness)/2;
lm8uu_hole_offset = lm8uu_holder_rod_height + 1;
XEnd_extra_width = 30;
XEnd_box_size = lm8uu_holder_rod_height + z_rod_z_bar_distance + ZLink_rod_height;
X_rod_length = machine_x_dim - 2*thickness;
X_rod_height = 10;
//height of the bottom panel acrylic/plywood sheet:
BottomPanel_zoffset = feetheight + NEMA17_length + 5;
Z_rod_length = machine_height - BottomPanel_zoffset + thickness;
Z_bar_length = thickness + machine_height - BottomPanel_zoffset - motor_shaft_length;
margin=4;
tslot_extra=thickness+margin; //todo
XPlatform_width = X_rods_distance + X_rods_diameter + 2*margin + 2* tslot_extra;
XEnd_width = XPlatform_width+XEnd_extra_width;
num_extruders = 1;
extra_extruder_length = 50; //TODO
XCarriage_nozzle_hole_radius = 20;
//XCarriage_width = XPlatform_width + 25;
//XCarriage_width = XPlatform_width;
XCarriage_width = XEnd_width;
XCarriage_length = 82 + (num_extruders-1) * extra_extruder_length;
XCarriage_lm8uu_distance = XCarriage_length - 30;
nozzle_tip_distance = 17; //TODO: calculate this based on nozzle_total_length and XCarriage acrylic/plywood height
nozzle_hole_width = 50;
nozzle_hole_length = machine_x_dim - 2*XEnd_box_size - nozzle_hole_width - 2*thickness - 2*20;
belt_offset = 26;
belt_width=5;
belt_clamp_height = 9;
PulleyRadius = 6;
IdlerRadius = 11;
XMotor_height = 31;
XIdler_height = XMotor_height + PulleyRadius - IdlerRadius;
RightPanel_backwidth = 55;
RightPanel_backheight = machine_height - RightPanel_baseheight;
rear_backtop_advance = RightPanel_basewidth/2 - (XPlatform_width/2 + XEnd_extra_width + 10) - RightPanel_backwidth;
RightPanel_topheight = 35;
RightPanel_topwidth = RightPanel_basewidth/2 + 30 - rear_backtop_advance;
module bar_cut(l=2*bar_cut_length){
translate([-l/2,0]) circle(r=m8_diameter/2);
square([l, m8_diameter], center=true);
translate([l/2,0]) circle(r=m8_diameter/2);
}
bolts = [
/*BottomPanel*/
[SidePanels_distance/2, BottomPanel_width*(3/4), BottomPanel_zoffset, 0, 90,0],
[SidePanels_distance/2, -BottomPanel_width*(3/4), BottomPanel_zoffset, 0, 90,0],
[-SidePanels_distance/2, BottomPanel_width*(3/4), BottomPanel_zoffset, 0,-90,0],
[-SidePanels_distance/2, -BottomPanel_width*(3/4), BottomPanel_zoffset, 0,-90,0],
/*TopPanel*/
[-SidePanels_distance/2+thickness/2, 0, machine_height + thickness, 0,0,0],
/*RightPanel*/
/*LeftPanel*/
];
if (preview_metal && render_bolts){
color(metal_color){
for (p = bolts){
translate([p[0],p[1],p[2]])
rotate([p[3],p[4],p[5]])
t_slot_bolt_washer_nut(3,16);
}
}
}
// 2d shapes for laser-cutting:
Sanguinololu_width=43;
Sanguinololu_height=94;
module Sanguinololu_holes(){
circle(r=m3_diameter/2, $fn=20);
translate([0,Sanguinololu_height])
circle(r=m3_diameter/2, $fn=20);
translate([Sanguinololu_width, 0])
circle(r=m3_diameter/2, $fn=20);
translate([Sanguinololu_width, Sanguinololu_height])
circle(r=m3_diameter/2, $fn=20);
}
//This is based on measurements of
// a HIQUA power supply
PowerSupply_width=110;
PowerSupply_height=198;
PowerSupply_thickness=50;
module HiquaPowerSupply_holes(){
translate([5, 6])
circle(r=5/2, $fn=20);
translate([6, PowerSupply_height - 22])
circle(r=5/2, $fn=20);
translate([PowerSupply_width - 5, 5])
circle(r=5/2, $fn=20);
translate([PowerSupply_width - 12, PowerSupply_height - 21])
circle(r=5/2, $fn=20);
}
module HiquaPowerSupply(){
if (preview_powersupply){
color(powersupply_color){
cube([PowerSupply_thickness, PowerSupply_width, PowerSupply_height]);
}
}
}
module RodEndTop_face(){
RodEnd_face(z_rod_z_bar_distance+12);
}
module RodEndBottom_face(){
RodEnd_face(0);
}
module RodEnd_face(L){
R=16;
r=6;
difference(){
union(){
translate([-R,-R])
rounded_square([R,2*R], corners=[R,0,R,0]);
translate([0,-R])
rounded_square([L+r,2*R], corners=[0,r,0,r]);
}
//holes
translate([L, -12])
circle(r=m3_diameter/2, $fn=20);
translate([L, 12])
circle(r=m3_diameter/2, $fn=20);
translate([-12, 0])
circle(r=m3_diameter/2, $fn=20);
}
}
module YMotorHolder_face(){
r = 12;
H = (50-2*r)*sqrt(2) + 2*r;
hack=r*0.8;
render(){
difference(){
union(){
polygon(points=[[base_bars_height + base_bars_Zdistance/2 - H/2 + hack, 0], [base_bars_height + base_bars_Zdistance/2 - H/2, 0], [base_bars_height + base_bars_Zdistance/2 - H/2, 50+r], [base_bars_height + base_bars_Zdistance/2 + H/2, 50+r], [base_bars_height + base_bars_Zdistance/2 + H/2, 30]]);
translate([base_bars_height,0])
rotate([0,0,30]) circle(r=r, $fn=6);
translate([base_bars_height + base_bars_Zdistance,30])
rotate([0,0,30]) circle(r=r, $fn=6);
translate([base_bars_height + base_bars_Zdistance/2, 60])
rotate([0,0,-45])
rounded_square([50,50], corners=[r,r,r,r], center=true);
}
translate([base_bars_height + base_bars_Zdistance/2, 60])
rotate([0,0,-45])
NEMA17_holes();
//holes for rear bars
translate([base_bars_height,0])
rotate([0,0,30]) circle(r=m8_diameter/2, $fn=20);
translate([base_bars_height + base_bars_Zdistance,30])
rotate([0,0,30]) circle(r=m8_diameter/2, $fn=20);
}
}
}
module holes_for_motor_wires(){
height=40;
x=100;
heights = [60,130,200];
translate([200, height])
zip_tie_holes();
translate([x+20, height])
zip_tie_holes();
translate([x, height-10])
rotate([0,0,45])
zip_tie_holes(d=7);
translate([50, height-10])
zip_tie_holes(d=5);
for (h = heights){
translate([x, h])
rotate([0,0,90])
zip_tie_holes(d=20);
}
}
//!MachineLeftPanel_face();
module MachineLeftPanel_face(){
difference(){
MachineSidePanel_face();
translate([45, 220])
Sanguinololu_holes();
holes_for_motor_wires();
holes_for_z_endstop_wires();
holes_for_x_motor_and_endstop_wires();
holes_for_endstops();
}
}
module holes_for_endstops(){
translate([30,265])
zip_tie_holes();
}
module holes_for_z_endstop_wires(){
translate([80,337]){
zip_tie_holes(d=7);
translate([7,0])
hull()
zip_tie_holes(r=2, d=10);
translate([120,0])
zip_tie_holes(d=7);
translate([60,0])
zip_tie_holes(d=7);
}
}
module holes_for_x_motor_and_endstop_wires(){
translate([80,240]){
hull(){
rotate([0,0,90])
zip_tie_holes(d=12, r=2);
}
translate([0,10])
rotate([0,0,90])
zip_tie_holes(d=12);
}
}
powersupply_Yposition = base_bars_height*2 + 5;
//!MachineRightPanel_face();
module MachineRightPanel_face(){
difference(){
MachineSidePanel_face();
if (HIQUA_POWERSUPPLY){
translate([rear_backtop_advance+RightPanel_backwidth - PowerSupply_width, powersupply_Yposition])
HiquaPowerSupply_holes();
}
//holes for zipties to hold the power supply cord
translate([30 + feetwidth/2,feetheight*2]){
zip_tie_holes();
translate([10,0])
zip_tie_holes();
}
//zip-tie holes for sanguinololu power wires
translate([30 + feetwidth,feetheight*2.5]){
translate([10,-3])
rotate([0,0,90])
zip_tie_holes();
translate([20,2])
zip_tie_holes(d=10);
translate([120,10])
zip_tie_holes();
}
//hole for power supply wiring
translate([30 + feetwidth,feetheight])
rounded_square([powersupply_cut_width, feetheight], corners=[0,0,5,5]);
}
}
//!MachineSidePanel_face();
module MachineSidePanel_face(){
union(){
difference(){
MachineSidePanel_plainface();
//holes for inserting front bars
translate([30, base_bars_height]) bar_cut();
translate([0, base_bars_Zdistance + base_bars_height]) bar_cut();
//holes for inserting rear bars
translate([RightPanel_basewidth-30, base_bars_height]) bar_cut();
translate([RightPanel_basewidth, base_bars_Zdistance + base_bars_height]) bar_cut();
//cut for attaching bottom panel
if (zmotors_on_top){
//in case ZMotors are installed on the top
translate([RightPanel_basewidth/2, feetheight]){
translate([BottomPanel_width/2 + BottomPanel_width/4, thickness/2])
circle(r=m3_diameter/2, $fn=20);
translate([-BottomPanel_width/2, 0])
square([BottomPanel_width, thickness]);
translate([-BottomPanel_width/2 - BottomPanel_width/4, thickness/2])
circle(r=m3_diameter/2, $fn=20);
}
} else {
//in case ZMotors are installed on the bottom
translate([RightPanel_basewidth/2, BottomPanel_zoffset]){
translate([BottomPanel_width/2 + BottomPanel_width/4, thickness/2])
circle(r=m3_diameter/2, $fn=20);
translate([-BottomPanel_width/2, 0])
square([BottomPanel_width, thickness]);
translate([-BottomPanel_width/2 - BottomPanel_width/4, thickness/2])
circle(r=m3_diameter/2, $fn=20);
}
//hole for z motors wiring
translate([RightPanel_basewidth/2 - 12, feetheight-5])
rounded_square([24, 24+5], corners=[5,5,5,5]);
}
//tslots for top panel
translate([rear_backtop_advance, machine_height+thickness]){
translate([5, 0])
rotate([0,0,180])
t_slot_shape(3, 16);
translate([RightPanel_topwidth-25, 0])
rotate([0,0,180])
t_slot_shape(3, 16);
}
//tslots for arc panel
translate([RightPanel_basewidth/2 - ArcPanel_rear_advance + thickness/2, machine_height]){
translate([0, -50])
t_slot_holes(width=50, thickness=thickness);
//translate([0, -ArcPanel_height/2 - 25])
//t_slot_holes(width=50, thickness=thickness);
translate([0, -ArcPanel_height])
t_slot_holes(width=50, thickness=thickness);
}
if (zmotors_on_top){
//tslot for bottom panel
translate([RightPanel_basewidth/2,feetheight])
t_slot_shape(3, 16);
}
}
//tslots for top panel
translate([rear_backtop_advance-20, machine_height+thickness/2])
rotate([0,0,-90])
t_slot_joints(50, thickness, joint_size=5);
translate([rear_backtop_advance + RightPanel_topwidth - 50, machine_height+thickness/2])
rotate([0,0,-90])
t_slot_joints(50, thickness, joint_size=5);
if (zmotors_on_top){
//tslot for bottom panel
translate([RightPanel_basewidth/2 + BottomPanel_width/2, feetheight + thickness/2])
rotate([0,0,90])
t_slot_joints(BottomPanel_width, thickness, joint_size=5);
}
}
}
//!MachineRightPanel_face();
//!MachineSidePanel_plainface();
module MachineSidePanel_plainface(){
r1=0.1;
r2=60;
H=150;
k=19;
union(){
hull($fn=80){
translate([rear_backtop_advance-k, machine_height-r1]) circle(r=r1);
translate([r2, RightPanel_baseheight + H]) circle(r=r2);
}
//top
translate([rear_backtop_advance, machine_height - RightPanel_topheight])
rounded_square([RightPanel_topwidth, RightPanel_topheight], corners=[0, 15, 0, 0]);
//back
translate([rear_backtop_advance, RightPanel_baseheight])
square([RightPanel_backwidth, RightPanel_backheight]);
polygon(points = [ [rear_backtop_advance-k, machine_height], [rear_backtop_advance, machine_height], [rear_backtop_advance, RightPanel_baseheight], [0,RightPanel_baseheight], [0,RightPanel_baseheight + H]]);
//base
translate([0,RightPanel_baseheight - baseh])
rounded_square([RightPanel_basewidth, baseh], corners=[0,0,0,15]);
polygon(points = [ [30, feetheight], [0,RightPanel_baseheight - baseh], [30,RightPanel_baseheight - baseh]]);
translate([30, feetheight])
square([RightPanel_basewidth-60,RightPanel_baseheight - feetheight]);
polygon(points = [ [RightPanel_basewidth-30, feetheight], [RightPanel_basewidth,RightPanel_baseheight - baseh], [RightPanel_basewidth-30,RightPanel_baseheight - baseh]]);
//feet
translate([RightPanel_basewidth-30-feetwidth,0])
rounded_square([feetwidth, feetheight], corners=[5, 5, 0, 0]);
translate([30,0])
rounded_square([feetwidth, feetheight], corners=[5, 5, 0, 0]);
}
}
module TopPanel_holes(){
translate([Z_rods_distance/2,0]){
//holes for Zrod and Zbar
circle(r=(m8_diameter+epsilon)/2, $fn=20);
translate([12, 0]) circle(r=m3_diameter/2, $fn=20);
translate([-z_rod_z_bar_distance - 12, -12]) circle(r=m3_diameter/2, $fn=20);
translate([-z_rod_z_bar_distance - 12, 12]) circle(r=m3_diameter/2, $fn=20);
// the folowing 2 holes are not strictly necessary, but may be useful
translate([0, -12]) circle(r=m3_diameter/2, $fn=20);
translate([0, 12]) circle(r=m3_diameter/2, $fn=20);
if (zmotors_on_top){
translate([-z_rod_z_bar_distance,0]){
//holes for Z motors
NEMA17_holes();
//hole for zmotor wiring
translate([0,40])
rounded_square([6,16], corners=[3,3,3,3], center=true);
}
} else {
translate([-z_rod_z_bar_distance,0]){
circle(r=(m8_diameter+epsilon)/2, $fn=20);
}
}
translate([0,-30-25]){
translate([-Z_rod_sidepanel_distance + thickness/2, 25])
t_slot_holes(width=50, thickness=thickness);
translate([-Z_rod_sidepanel_distance + thickness/2, RightPanel_topwidth-5])
t_slot_holes(width=50, thickness=thickness);
}
}
}
ArcPanel_width = SidePanels_distance - 2 * thickness;
ArcPanel_height = 140; //TODO: make it depend on the machine height
module MachineArcPanel_face(){
render(){
difference(){
union(){
translate([-ArcPanel_width/2, ArcPanel_height - 53])
square([ArcPanel_width,53]);
translate([-ArcPanel_width/2, 0])
rounded_square([20,ArcPanel_height], corners=[5,5,5,5]);
translate([+ArcPanel_width/2-20, 0])
rounded_square([20,ArcPanel_height], corners=[5,5,5,5]);
polygon(points=[ [-ArcPanel_width/2, 0], [-ArcPanel_width/2, ArcPanel_height],[-ArcPanel_width/2 + 60, ArcPanel_height], [-ArcPanel_width/2 + 10, 0] ]);
polygon(points=[ [ArcPanel_width/2, 0], [ArcPanel_width/2, ArcPanel_height],[ArcPanel_width/2 - 60, ArcPanel_height], [ArcPanel_width/2 - 10, 0] ]);
//tslots for top panel
translate([0,ArcPanel_height + thickness/2]){
translate([-ArcPanel_width/2, 0])
rotate([0,0,-90])
t_slot_joints(width=50, thickness=thickness);
translate([25, 0])
rotate([0,0,90])
t_slot_joints(width=50, thickness=thickness);
translate([ArcPanel_width/2, 0])
rotate([0,0,90])
t_slot_joints(width=50, thickness=thickness);
}
//tslots for left panel
translate([-ArcPanel_width/2 - thickness/2, 0]){
translate([0, ArcPanel_height - 50])
t_slot_joints(width=50, thickness=thickness);
//translate([0, ArcPanel_height/2 - 25])
//t_slot_joints(width=50, thickness=thickness);
t_slot_joints(width=50, thickness=thickness);
}
//tslots for right panel
translate([ArcPanel_width/2 + thickness/2, 0]){
translate([0, ArcPanel_height - 50])
t_slot_joints(width=50, thickness=thickness);
//translate([0, ArcPanel_height/2 - 25])
//t_slot_joints(width=50, thickness=thickness);
t_slot_joints(width=50, thickness=thickness);
}
}
arcpanel_holes_for_extruder_wires();
//tslots for top panel
translate([0,ArcPanel_height + thickness]){
translate([-ArcPanel_width/2 + 25, 0])
rotate([0,0,180])
t_slot_shape(3,16);
rotate([0,0,180])
t_slot_shape(3,16);
translate([ArcPanel_width/2 - 25, 0])
rotate([0,0,180])
t_slot_shape(3,16);
}
//tslots for right panel
translate([ArcPanel_width/2 + thickness, 0]){
translate([0, 25])
rotate([0,0,90])
t_slot_shape(3,16);
/*
translate([0, ArcPanel_height/2])
rotate([0,0,90])
t_slot_shape(3,16);
*/
translate([0, ArcPanel_height - 25])
rotate([0,0,90])
t_slot_shape(3,16);
}
//tslots for left panel
translate([-ArcPanel_width/2 - thickness, 0]){
translate([0, 25])
rotate([0,0,-90])
t_slot_shape(3,16);
/*
translate([0, ArcPanel_height/2])
rotate([0,0,-90])
t_slot_shape(3,16);
*/
translate([0, ArcPanel_height - 25])
rotate([0,0,-90])
t_slot_shape(3,16);
}
}
}
}
module arcpanel_holes_for_extruder_wires(){
translate([0,105]){
translate([0,20])
rotate([0,0,90])
zip_tie_holes();
translate([-10,0])
zip_tie_holes();
translate([-120,0])
zip_tie_holes();
}
}
module top_hole_for_extruder_wires(){
translate([0,120])
rotate([0,0,90])
hull(){
zip_tie_holes(d=16, r=4);
}
}
//!MachineTopPanel_face();
module MachineTopPanel_face(){
sidewidth=95;
difference(){
union(){
translate([-machine_x_dim/2,-30])
rounded_square([sidewidth, 60], corners=[30, 12, 0, 0]);
translate([machine_x_dim/2 - sidewidth,-30])
rounded_square([sidewidth, 60], corners=[12, 30, 0, 0]);
translate([0,60]){
translate([-machine_x_dim/2,-30])
rounded_square([sidewidth, 100], corners=[0, 0, sidewidth, 0], $fn=90);
translate([machine_x_dim/2 - sidewidth,-30])
rounded_square([sidewidth, 100], corners=[0, 0, 0, sidewidth], $fn=90);
}
translate([0,120])
rounded_square([Z_rods_distance - 2*Z_rod_sidepanel_distance + 8*thickness, 75], corners=[10,10,10,10], center=true);
}
top_hole_for_extruder_wires();
//tslots for arc panel
translate([0,ArcPanel_rear_advance - thickness/2]){
translate([-ArcPanel_width/2, 0])
rotate([0,0,-90])
t_slot_holes(width=50, thickness=thickness);
translate([25, 0])
rotate([0,0,90])
t_slot_holes(width=50, thickness=thickness);
translate([ArcPanel_width/2, 0])
rotate([0,0,90])
t_slot_holes(width=50, thickness=thickness);
}
TopPanel_holes();
mirror([1,0,0]) TopPanel_holes();
}
}
module BottomPanel_holes(){
//holes for Z rods
translate([Z_rods_distance/2,0]){
circle(r=(m8_diameter+epsilon)/2);
translate([0, -12]) circle(r=m3_diameter/2, $fn=20);
translate([0, 12]) circle(r=m3_diameter/2, $fn=20);
translate([12, 0]) circle(r=m3_diameter/2, $fn=20);
}
//holes for ZMotors
translate([Z_rods_distance/2 - z_rod_z_bar_distance, 0])
NEMA17_holes();
//tslot holes for side panels
translate([Z_rods_distance/2 - Z_rod_sidepanel_distance + thickness/2, -BottomPanel_width/2])
t_slot_holes(width=BottomPanel_width, thickness=thickness);
//tslot cuts for side panels
translate([Z_rods_distance/2 - Z_rod_sidepanel_distance + thickness, -BottomPanel_width/2 -BottomPanel_width/4])
rotate([0,0,90])
t_slot_shape(3,16);
translate([Z_rods_distance/2 - Z_rod_sidepanel_distance + thickness, BottomPanel_width/2 + BottomPanel_width/4])
rotate([0,0,90])
t_slot_shape(3,16);
translate([-Z_rods_distance/2 + Z_rod_sidepanel_distance + thickness,0]){
translate([16,0])
zip_tie_holes();
translate([60,0])
zip_tie_holes();
}
zip_tie_holes();
}
module heatedbed_bottompanel_hole(){
zip_tie_holes();
translate([6,0])
hull(){
zip_tie_holes(r=2);
}
}
module zip_tie_holes(d=12, r=m3_diameter/2){
for (i=[-1,1]){
translate([0,d/2*i])
circle(r=r, $fn=30);
}
}
module Y_belt(){
if (preview_rubber){
color(rubber_color){
translate([2.5, 0, 66])
rotate([0,0,-90])
rotate([90,0,0])
// belt(-machine_x_dim/2 + thickness + XEnd_box_size/2, XMotor_height, 6, machine_x_dim/2 - thickness - XEnd_box_size/2, XIdler_height, IdlerRadius);
belt(RightPanel_basewidth/2 - bar_cut_length, 0, IdlerRadius, -RightPanel_basewidth/2 + bar_cut_length, 0, IdlerRadius);
}
}
}
module Y_belt_old(){
front_h=60;
rear_h=40;
front_x = 10 -RightPanel_basewidth/2;
rear_x = 20 + RightPanel_basewidth/2;
if (preview_rubber){
color(rubber_color){
rotate([0,90,0])
rotate([0,0,90])
linear_extrude(height=10)
polygon(points=[[front_x, front_h], [front_x, front_h-3], [rear_x, rear_h-3], [rear_x, rear_h]]);
}
}
}
//!MachineBottomPanel_face();
module MachineBottomPanel_face(){
render(){
difference(){
union(){
rounded_square([machine_x_dim, BottomPanel_width], corners=[BottomPanel_width/2,BottomPanel_width/2,BottomPanel_width/2,BottomPanel_width/2], center=true);
square([Z_rods_distance - 2*Z_rod_sidepanel_distance, 2*BottomPanel_width], center=true);
}
//cut off some unnecessary material
translate([0,BottomPanel_width/2 + 30])
rounded_square([Z_rods_distance - 2*Z_rod_sidepanel_distance - 60, BottomPanel_width], corners=[30,30,30,30], center=true);
translate([0,-BottomPanel_width/2 - 30])
rounded_square([Z_rods_distance - 2*Z_rod_sidepanel_distance - 60, BottomPanel_width], corners=[30,30,30,30], center=true);
BottomPanel_holes();
mirror([1,0,0]) BottomPanel_holes();
translate([-Z_rods_distance/2 + Z_rod_sidepanel_distance + thickness + 16, 24])
heatedbed_bottompanel_hole();
}
}
}
//!XPlatform_bottom_face();
module XPlatform_bottom_face(){
render(){
difference(){
union(){
translate([-machine_x_dim/2 + thickness, -XPlatform_width/2])
square([machine_x_dim - 2 * thickness, XCarriage_width]);
translate([-machine_x_dim/2 + thickness, -XPlatform_width/2])
square([XEnd_box_size+thickness, XEnd_width]);
translate([+machine_x_dim/2 - 2*thickness - XEnd_box_size, -XPlatform_width/2])
square([XEnd_box_size+thickness, XEnd_width]);
}
translate([-150, 0])
holes_for_XMIN_endstop();
//hole for extruder nozzle:
square([nozzle_hole_length, nozzle_hole_width], center=true);
translate([nozzle_hole_length/2,0]) circle(r=nozzle_hole_width/2);
translate([-nozzle_hole_length/2,0]) circle(r=nozzle_hole_width/2);
rotate([0,0,180])
translate([-machine_x_dim/2, 0])
XEndIdler_bottom_holes();
translate([-machine_x_dim/2, 0])
XEndMotor_bottom_holes();
}
}
}
module holes_for_XMIN_endstop(d=12, r=3){
translate([0,15])
rotate([0,0,90])
zip_tie_holes(d=5);
translate([0,65])
rotate([0,0,90])
zip_tie_holes(d=5);
}
module XEndMotor_bottom_holes(){
//hole for lm8uu holder
translate([0, -20])
square([lm8uu_hole_offset, 40]);
translate([lm8uu_hole_offset, 0]){
circle(r=20);
}
//hole for M8 nut&rod
translate([thickness + XEnd_box_size - ZLink_rod_height, 0])
rotate([0,0,360/12]) circle(r=8.5, $fn=6);
//tslot holes
translate([thickness, XPlatform_width/2 + XEnd_extra_width - thickness])
rotate([0,0,-90])
t_slot_holes(width=XEnd_box_size, thickness=thickness);
translate([thickness, -XPlatform_width/2 + thickness])
rotate([0,0,-90])
t_slot_holes(width=XEnd_box_size, thickness=thickness);
}
module XEndIdler_bottom_holes(){
//hole for lm8uu holder
translate([0, -20])
square([lm8uu_hole_offset, 40]);
translate([lm8uu_hole_offset, 0]){
circle(r=20);
}
//hole for M8 nut&rod
translate([thickness + XEnd_box_size - ZLink_rod_height, 0])
rotate([0,0,360/12]) circle(r=8.5, $fn=6);
//tslot holes
translate([thickness, -XPlatform_width/2 - XEnd_extra_width + thickness])