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diy-copter-remote
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big cleanup for 3d print model frame

master
philipp schoenberger 7 years ago
committed by Schoenberger, Philipp
parent
d6c5fcba96
commit
8f909b4dd8
No known key found for this signature in database GPG Key ID: 77E9DF7A0452BF64
4 changed files with 299 additions and 251 deletions
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  1. 31
      3d/lib/aligned_cube.scad
  2. 13
      3d/lib/triangle.scad
  3. 255
      3d/quad.scad
  4. 251
      Copter/mgh-quad.scad

31
3d/lib/aligned_cube.scad
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module aligned_cube(size, aligned=[1,1,0])
{
translate(-0.5*[size[0]*aligned[0], size[1]*aligned[1], size[2]*aligned[2]])
cube(size);
}
module rounded_cube(size, r, aligned=[1,1,0])
{
translate(-0.5*[size[0]*aligned[0] -2*r, size[1]*aligned[1] -2*r, size[2]*aligned[2] -2*r])
minkowski() {
cube([size[0] - 2*r, size[1] - 2*r, size[2]- 2*r]);
sphere(r);
}
}
module cylinder_flange_sphere($fn=32,r1=10, r2=15, h=5)
{
diff=abs(r1-r2);
h_off= (r1 < r2 ) ? 0 : h/2;
difference()
{
cylinder($fn=$fn, r=max(r2,r1),h=h);
scale([1,1,h/diff])
rotate_extrude()
translate([diff+min(r2,r1),h_off])
rotate([0,0,0])
circle($fn=$fn,r=diff);
}
}

13
3d/lib/triangle.scad
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module triangle(o_len=5, a_len=5, depth=1)
{
linear_extrude(height=depth) {
polygon(points=[[0,0],[a_len,0],[0,o_len]], paths=[[0,1,2]]);
}
}
module aligned_triangle(o_len=5, a_len=5, depth=1)
{
linear_extrude(height=depth) {
translate([-o_len/2,-a_len/2,0])
polygon(points=[[0,0],[a_len,0],[0,o_len]], paths=[[0,1,2]]);
}
}

255
3d/quad.scad
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$fn = 25;
with_props=0;
with_motor=0;
with_pcbs=1;
with_akku=0;
with_frame=1;
name="Toolbox";
version="v1";
text_depth=0.75;
motor_d = 8.465;
motor_r=motor_d/2;
motor_height = 20;
motor_clamp_wall_thickness = 2.2;
motor_clamp_d= motor_d + 2*motor_clamp_wall_thickness;
motor_clamp_r= motor_clamp_d /2;
motor_clamp_cut = 3;
motor_clamp_extra_hight = 3;
motor_clamp_hight = motor_height + motor_clamp_extra_hight;
usb_width=12;
usb_hight=8;
motor_helper_disc = 40;
motor_helper_height = 0.2;
motor_arm_width = 8;
motor_arm_height = 6;
motor_arm_length = 20;
body_width = 40;
body_height = 12;
body_wall_thickness = 2;
body_bottom_flange = 5;
body_bottom_bridge = 3;
triangle_cut_height = 10;
cable_cut_width = 3;
cable_cut_height = 3;
akku_holder_hight = 9.1;
akku_holder_width =27;
motor_body_arm_dist = (body_width - motor_arm_width + 2) / sqrt(2);
eps=0.05;
include <lib/aligned_cube.scad>;
include <lib/triangle.scad>;
module triangle_cuts(h=4) {
triangle_width= body_width / 2;
h_tri=((body_width - body_bottom_flange - body_bottom_bridge)/2 - sqrt(2)* body_wall_thickness)* sqrt(2);
for(r=[0:90:359])
{
rotate([0,0,r])
translate([0,body_width/2 -body_bottom_flange,0]) {
rotate([0,0,45])
aligned_triangle(h_tri, h_tri, h);
}
}
}
module pcb_flight_controller() {
flight_controller = [20, 28,2];
cube(flight_controller);
}
module pcb_rx_radio() {
rx_radio=[12,25,2];
cube(rx_radio);
}
module motor() {
prop_height=motor_height + 5;
color([0.8,0.2,0.2,0.5]) {
if (with_motor) {
translate([0, 0, motor_clamp_extra_hight])
cylinder(d = motor_d, h = motor_height );
translate([0, 0, motor_clamp_extra_hight])
cylinder(d = 2, h = prop_height);
}
if (with_props) {
translate([0, 0, prop_height])
cylinder(d = 66.5, h = 2);
}
}
}
module motor_clamp() {
// motor / prop mockup
difference() {
union () {
color("blue")
// motor stand
hull() {
cylinder(d = motor_d + motor_clamp_wall_thickness, h = motor_clamp_hight);
translate([0, -(motor_d + motor_clamp_wall_thickness) / 2 - 2, 0])
aligned_cube([motor_arm_width, eps, motor_arm_height]);
}
// print support
color("green")
cylinder(d = motor_helper_disc, h = motor_helper_height);
}
// cable hole
// motor hole
translate([0, 0, -eps])
cylinder(d = motor_d, h = motor_height + 2 +eps);
// clamp cutout
translate([0, motor_r, -eps])
aligned_cube([motor_clamp_cut, 2 * motor_clamp_wall_thickness, motor_clamp_hight+2*eps]);
// motor top hole
translate([0, 0, motor_clamp_hight - motor_clamp_wall_thickness+eps])
cylinder(d = 6.5, h = motor_clamp_wall_thickness);
// angle motor top cut for better printing
translate([0, 0, motor_clamp_hight-1-eps])
cylinder(d1=motor_d, d2=6.5, h=0.75);
}
motor();
}
module motor_arm() {
difference() {
union() {
translate([0, motor_arm_length+motor_clamp_r, 0])
motor_clamp();
color("blue") {
aligned_cube([motor_arm_width, motor_arm_length, motor_arm_height],[1,0,0]);
}
}
cable_cuts();
}
}
module cable_cuts() {
union() {
// vertical cut
translate([0, motor_arm_length, -eps])
aligned_cube([cable_cut_width, cable_cut_height, motor_clamp_hight+2*eps]);
// lower cut
translate([0, motor_arm_length , -eps])
aligned_cube([cable_cut_width, cable_cut_height, cable_cut_height+eps],[1,0,0]);
// horizontal cut
translate([0, -eps,motor_arm_height+eps])
aligned_cube([cable_cut_width,motor_arm_length, , cable_cut_height],[1,0,2]);
}
}
module body() {
arm_offset=(body_width - motor_arm_width/sqrt(2))/sqrt(2);
difference() {
union() {
// arms
for(r = [45 : 90 : 360]) {
rotate([0, 0, r])
translate([0,arm_offset,0])
motor_arm();
}
// board mount
color("red")
aligned_cube([body_width, body_width, body_height]);
}
// board pcb cutout
translate([0,0,body_wall_thickness])
aligned_cube([body_width- 2*body_wall_thickness, body_width-2*body_wall_thickness, body_height]);
// cable cutouts
for(r = [45 : 90 : 360]) {
rotate([0, 0, r])
translate([0,arm_offset,0])
cable_cuts();
}
// usb cutout
translate([-2, -body_width / 2 - 1, 2])
cube([usb_width, 4, usb_hight]);
// base triangle cut-outs
translate([0, 0, -1])
triangle_cuts();
// text stamp
union()
{
rotate([0,0,180])
translate([0,-body_width/2+text_depth-eps,body_height/2])
rotate([90,0,0])
linear_extrude(height = text_depth)
{
translate([0,2,0])
text(halign="center",valign="center", $fn=$fn, size=5,font="Linux Libertine O", name);
translate([0,-3,0])
text(halign="center",valign="center", $fn=$fn, size=2,font="Linux Libertine Mono O", version);
}
}
}
}
module quad() {
if(with_frame) {
body();
}
if(with_pcbs) {
translate([0,0, body_wall_thickness+eps]) {
translate([-3, -14, 0])
%pcb_flight_controller();
translate([-16, -12.5, 0])
%pcb_rx_radio();
}
}
if(with_akku) {
translate([0,0,body_height]) {
akku_holder();
}
}
}
module akku_holder() {
color([0.5,0.8,0.4,0.5])
difference() {
union() {
aligned_cube([body_width,body_width,akku_holder_hight]);
translate([0,0,-1])
aligned_cube([body_width-body_wall_thickness*2,
body_width-body_wall_thickness*2,
akku_holder_hight]);
}
translate([0,0,0.01]) {
aligned_cube([akku_holder_width,
body_width+1,
akku_holder_hight+2]);
}
translate([0, 0, -2])
triangle_cuts(h=6);
}
}
quad();
//body();
//motor_arm();
//motor_clamp();
//akku_holder();

251
Copter/mgh-quad.scad
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@ -1,251 +0,0 @@
$fn = 25;
with_props=0;
with_motor=0;
with_pcbs=1;
with_akku=0;
motor_size = 8.465;
motor_height = 21;
motor_wall_d = 2.2;
motor_clamp_cut = 3;
usb_width=12;
usb_hight=8;
motor_helper_disc = 40;
motor_helper_height = 0.2;
motor_arm_width = 8;
motor_arm_height = 6;
motor_arm_length = 20;
motor_body_len = 40;
motor_body_height = 12;
motor_body_wall = 2;
triangle_cut_height = 10;
cable_cut_width = 3;
cable_cut_height = 3;
akku_holder_hight = 9.1;
akku_holder_width =27;
motor_body_arm_dist = (motor_body_len - motor_arm_width + 2) / sqrt(2);
module aligned_cube(size, aligned=[1,1,0])
{
translate(-0.5*[size[0]*aligned[0], size[1]*aligned[1], size[2]*aligned[2]])
cube(size);
}
module triangle(o_len, a_len, depth) {
linear_extrude(height=depth)
polygon(points=[[0,0],[a_len,0],[0,o_len]], paths=[[0,1,2]]);
}
module triangle_cuts(h=4) {
translate([0, -motor_body_len / 3, 0]) {
triangle(triangle_cut_height, motor_body_len / 4, h);
triangle(triangle_cut_height, -motor_body_len / 4, h);
}
translate([0, motor_body_len / 3, 0]) {
triangle(-triangle_cut_height, motor_body_len / 4, h);
triangle(-triangle_cut_height, -motor_body_len / 4, h);
}
translate([-motor_body_len / 3, 0, 0])
rotate([0, 0, -90]) {
triangle(triangle_cut_height, motor_body_len / 4, h);
triangle(triangle_cut_height, -motor_body_len / 4, h);
}
translate([motor_body_len / 3, 0, 0])
rotate([0, 0, 90]) {
triangle(triangle_cut_height, motor_body_len / 4, h);
triangle(triangle_cut_height, -motor_body_len / 4, h);
}
}
module fc_pcb() {
fc_width = 20;
fc_height = 28;
if(with_pcbs)
cube([fc_width, fc_height, 2]);
}
module rx_pcb() {
rx_width = 12;
rx_height = 25;
if(with_pcbs)
cube([rx_width, rx_height, 2]);
}
module motor() {
color([0.8,0.2,0.2,0.5]) {
if (with_motor) {
cylinder(d = motor_size, h = motor_height );
translate([0, 0, -5])
cylinder(d = 2, h = motor_height + 5);
}
if (with_props) {
translate([0, 0, -5])
cylinder(d = 66.5, h = 2);
}
}
}
module motor_clamp() {
// motor / prop mockup
difference() {
union () {
color("blue")
// motor stand
hull() {
cylinder(d = motor_size + motor_wall_d, h = motor_height);
translate([-motor_arm_width / 2, -(motor_size + motor_wall_d) / 2 - 2, motor_height - motor_arm_height])
cube([motor_arm_width, 1, motor_arm_height]);
}
// print support
color("green")
translate([0, 0, motor_height - motor_helper_height])
cylinder(d = motor_helper_disc, h = motor_helper_height);
color("blue")
translate([0, 0, -2])
cylinder(d = motor_size + motor_wall_d,h=7);
}
// cable hole
translate([-cable_cut_width / 2, -(motor_size + motor_wall_d) / 2 - cable_cut_height, 0])
cube([cable_cut_width, cable_cut_height, 25]);
translate([0, -(motor_size) / 2 , motor_height- cable_cut_height])
aligned_cube([cable_cut_width, cable_cut_height, cable_cut_height]);
// motor hole
translate([0, 0, -1])
cylinder(d = motor_size, h = motor_height + 2);
// clamp cutout
translate([-motor_clamp_cut / 2, -3, -motor_size - motor_wall_d - 1])
cube([motor_clamp_cut, motor_size + motor_wall_d + 5, motor_height + motor_size + motor_wall_d + 2]);
translate([0, 0, -motor_size - motor_wall_d - 1])
cylinder(d=6.5, h= motor_height + motor_size + motor_wall_d + 2);
translate([0, 0, -1.75])
cylinder(d2=motor_size,d1=6.5, h=0.75);
//sphere(d = motor_size);
}
%motor();
}
module arm() {
motor_clamp();
// motor arm itself
color("blue")
translate([-motor_arm_width / 2, -(motor_arm_length + ((motor_size + motor_wall_d) / 2) + 2), motor_height - motor_arm_height])
cube([motor_arm_width, motor_arm_length, motor_arm_height]);
}
module body() {
// arms
for(r = [45 : 90 : 360]) {
rotate([0, 0, r])
translate([0, motor_arm_length + ((motor_size + motor_wall_d) / 2) + motor_body_arm_dist + 1, 0])
difference() {
arm();
translate([-cable_cut_width / 2, -motor_arm_length - ((motor_size + motor_wall_d) / 2) - 2, motor_height - motor_arm_height-3])
cube([cable_cut_width, motor_arm_length + 2, cable_cut_height + 3]);
}
}
color("red")
translate([0,0, motor_height])
difference() {
aligned_cube([motor_body_len, motor_body_len, motor_body_height],[1,1,2]);
for(r = [45 : 90 : 360]) {
translate([0,0, -motor_height + motor_body_height])
rotate([0, 0, r])
translate([0, motor_body_len / 2 * sqrt(2) - 2, cable_cut_height]) {
aligned_cube([cable_cut_width, 8, cable_cut_height ]);
}
}
}
}
module quad() {
difference() {
translate([0, 0, motor_height])
rotate([180, 0, 0])
{
body();
translate([0,0, 15])
{
translate([-3, -14, 0])
%fc_pcb();
translate([-16, -12.5, 0])
%rx_pcb();
}
}
// cut out for actual PCBs
translate([-(motor_body_len - (2 * motor_body_wall)) / 2, -(motor_body_len - (2 * motor_body_wall)) / 2, motor_body_wall])
cube([motor_body_len - (2 * motor_body_wall), motor_body_len - (2 * motor_body_wall), motor_body_height - motor_body_wall + 1]);
// akku cutout
akku_cut=motor_body_len - motor_body_wall*2;
translate([0,0, motor_body_height]) {
scale([1,1,1])
rotate([0,0,45])
//cylinder($fn=4, d1=akku_cut*1.4, d2=30, h=11);
translate([1,-12.5,0]) {
//cube([20,25,10]);
}
translate([-30,-12.5,0]) {
//cube([20,25,10]);
}
}
translate([-motor_body_len/2,-(akku_cut)/2, motor_body_height]) {
//cube([motor_body_len, akku_cut/2, 10]);
}
// usb cutout
translate([-2, -motor_body_len / 2 - 1, 2])
cube([usb_width, 4, usb_hight]);
// triangle cut-outs
translate([0, 0, -1])
triangle_cuts();
}
}
module akku_holder() {
color([0.5,0.8,0.4,0.5])
difference() {
union() {
aligned_cube([motor_body_len,motor_body_len,akku_holder_hight]);
translate([0,0,-1])
aligned_cube([motor_body_len-motor_body_wall*2,
motor_body_len-motor_body_wall*2,
akku_holder_hight]);
}
translate([0,0,0.01]) {
aligned_cube([akku_holder_width,
motor_body_len+1,
akku_holder_hight+2]);
}
translate([0, 0, -2])
triangle_cuts(h=6);
}
}
quad();
translate([0,0,motor_body_height]) {
akku_holder();
}
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