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mirror of git://projects.qi-hardware.com/wernermisc.git synced 2024-11-15 06:54:04 +02:00

cad/test2/: copied original version of sources from cad/test1/

This commit is contained in:
Werner Almesberger 2011-07-23 11:16:02 -03:00
parent 8ad6df6b2d
commit 70eef56611
3 changed files with 244 additions and 8 deletions

15
cad/test2/Makefile Normal file
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@ -0,0 +1,15 @@
OUT=scad.stl cadmium.stl
.PHONY: all clean
all: $(OUT)
scad.stl: button.scad
time openscad -s $@ $<
cadmium.stl: button.py
time ./$<
mv button.stl $@
clean:
rm -f $(OUT)

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@ -5,6 +5,9 @@
from cadmium import *
epsilon = 0.01
noise = epsilon/10
but_top_x = 10.0
but_top_y = but_top_x+5.0
but_top_z = 1.5
@ -25,7 +28,8 @@ but_chamfer_r = 0.2
def fillet_line(x, r):
s = Box(x, r, r)
s -= Cylinder(r, h = x). \
s -= Cylinder(r, h = x+2*epsilon). \
translate(0, 0, -epsilon). \
rotate(Y_axis, 90). \
translate(0, r, r)
return s.translate(-x/2, 0, 0)
@ -40,14 +44,15 @@ def fillet_circle(r, fillet_r):
def chamfer_line (x, r):
s = Box(x, r, r)
s -= Cylinder(r, h = x). \
s = Box(x, r+epsilon, r+epsilon)
s -= Cylinder(r, h = x+2*epsilon). \
translate(0, 0, -epsilon). \
rotate(Y_axis, 90)
return s.translate(-x/2, -r, -r)
def chamfer_circle(r, fillet_r):
return Box(2*(r), 2*(r), fillet_r). \
translate(-r, -r, -fillet_r)- \
return Box(2*(r+epsilon), 2*(r+epsilon), fillet_r+epsilon). \
translate(-r-epsilon, -r-epsilon, -fillet_r)- \
Cylinder(r-fillet_r, h = fillet_r). \
translate(0, 0, -fillet_r)- \
Torus(r-fillet_r, fillet_r, center = True). \
@ -98,16 +103,16 @@ def rbox_chamfer_top_corners(x, y, z, r, chamfer_r):
s = t
else:
s += t
return s-rbox_core(x, y, z, r)
return s-rbox_core(x-epsilon, y-epsilon, z, r)
def rbox_chamfer_top(x, y, z, r, chamfer_r):
s = rbox_chamfer_top_corners(x, y, z, r, chamfer_r)
for a in [0, 180]:
s += chamfer_line(x-2*r, chamfer_r). \
translate(0, y/2, z). \
translate(0, y/2, z+noise). \
rotate(Z_axis, a)
s += chamfer_line(y-2*r, chamfer_r). \
translate(0, x/2, z). \
translate(0, x/2, z+noise). \
rotate(Z_axis, a+90)
return s

216
cad/test2/button.scad Normal file
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@ -0,0 +1,216 @@
epsilon = 0.01;
but_top_x = 10;
but_top_y = but_top_x+5;
but_top_z = 1.5;
but_corner_r = 2;
but_base_border = 1;
but_base_x = but_top_x+2*but_base_border;
but_base_y = but_top_y+2*but_base_border;
but_base_z = 0.5;
but_push_r = 5;
but_push_z = 0.5;
but_fillet_r = 0.4;
but_chamfer_r = 0.2;
$fn = 40;
/* ----- Basic solids ------------------------------------------------------ */
module torus(r0, r1)
{
rotate_extrude()
translate([r0, 0, 0])
circle(r = r1);
}
/* ----- Helper elements for fillets --------------------------------------- */
module fillet_line(x, r)
{
translate([-x/2, 0, 0])
difference() {
cube([x, r, r]);
translate([0, r, r])
rotate([0, 90, 0])
translate([0, 0, -epsilon])
cylinder(h = x+2*epsilon, r = r);
}
}
module fillet_circle(r, fillet_r)
{
difference() {
cylinder(h = fillet_r, r = r+fillet_r);
translate([0, 0, fillet_r])
torus(r+fillet_r, fillet_r);
}
}
/* ----- Helper elements for chamfers -------------------------------------- */
module chamfer_line(x, r)
{
translate([-x/2, -r, -r])
difference() {
cube([x, r+epsilon, r+epsilon]);
rotate([0, 90, 0])
translate([0, 0, -epsilon])
cylinder(h = x+2*epsilon, r = r);
}
}
module chamfer_circle(r, fillet_r)
{
difference() {
translate([-r-epsilon, -r-epsilon, -fillet_r])
cube([2*(r+epsilon), 2*(r+epsilon), fillet_r+epsilon]);
translate([0, 0, -fillet_r])
cylinder(h = fillet_r, r = r-fillet_r);
translate([0, 0, -fillet_r])
torus(r-fillet_r, fillet_r);
}
}
/* ----- Box with rounded corners ------------------------------------------ */
module rbox_core(x, y, z, r)
{
union() {
translate([0, 0, z/2])
cube([x-2*r, y, z], center = true);
translate([0, 0, z/2])
cube([x, y-2*r, z], center = true);
}
}
module rbox(x, y, z, r)
{
union() {
rbox_core(x, y, z, r);
for (dx = [-1, 1]) {
for (dy = [-1, 1]) {
translate([dx*(x/2-r), dy*(y/2-r), 0])
cylinder(h = z, r = r);
}
}
}
}
module rbox_fillet_bottom(x, y, z, r, fillet_r)
{
union() {
for (a = [0, 180]) {
rotate([0, 0, a])
translate([0, y/2, 0])
fillet_line(x-2*r, fillet_r);
rotate([0, 0, a+90])
translate([0, x/2, 0])
fillet_line(y-2*r, fillet_r);
}
for (dx = [-1, 1]) {
for (dy = [-1, 1]) {
translate([dx*(x/2-r), dy*(y/2-r), 0])
fillet_circle(r, fillet_r);
}
}
}
}
module rbox_chamfer_top_corners(x, y, z, r, chamfer_r)
{
difference() {
union() {
for (dx = [-1, 1]) {
for (dy = [-1, 1]) {
translate([dx*(x/2-r), dy*(y/2-r), z])
chamfer_circle(r, chamfer_r);
}
}
}
rbox_core(x-epsilon, y-epsilon, z, r);
}
}
module rbox_chamfer_top(x, y, z, r, chamfer_r)
{
union() {
for (a = [0, 180]) {
rotate([0, 0, a])
translate([0, y/2, z])
chamfer_line(x-2*r, chamfer_r);
rotate([0, 0, a+90])
translate([0, x/2, z])
chamfer_line(y-2*r, chamfer_r);
}
rbox_chamfer_top_corners(x, y, z, r, chamfer_r);
}
}
module rbox_chamfer_bottom(x, y, z, r, chamfer_r)
{
rotate([180, 0, 0])
translate([0, 0, -z])
rbox_chamfer_top(x, y, z, r, chamfer_r);
}
/* ----- Button ------------------------------------------------------------ */
module button_top()
{
union() {
difference() {
rbox(but_top_x, but_top_y, but_top_z, but_corner_r);
rbox_chamfer_top(but_top_x, but_top_y, but_top_z, but_corner_r, but_chamfer_r);
}
rbox_fillet_bottom(but_top_x, but_top_y, but_top_z,
but_corner_r, but_fillet_r);
}
}
module button_base()
{
translate([0, 0, -but_base_z])
difference() {
rbox(but_base_x, but_base_y, but_base_z, but_corner_r);
rbox_chamfer_top(but_base_x, but_base_y, but_base_z,
but_corner_r, but_chamfer_r);
rbox_chamfer_bottom(but_base_x, but_base_y, but_base_z,
but_corner_r, but_chamfer_r);
}
}
module button()
{
union() {
button_top();
button_base();
// button_pusher();
}
}
button();