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catear-pedestal v0.1

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djerun 2024-06-03 11:51:35 +02:00
parent 541b80970c
commit 74bb13b86a
3 changed files with 56 additions and 5 deletions
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6
catear_headband.scad
View file

@ -1,6 +1,7 @@
include <globals.scad>; include <globals.scad>;
use <headband.scad>; use <headband.scad>;
use <chamfer.scad>;
module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretch_factor=1.2, debug=false, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) { module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretch_factor=1.2, debug=false, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) {
$A=[0, side_len/2]; $A=[0, side_len/2];
@ -69,7 +70,7 @@ module catear(height, thickness, fractal=0, side_len=30, bend_factor=0.5, stretc
} }
} }
module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) { module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, ear_scale=1.5, ear_bend_factor=0.15, ear_stretch_factor=1.2, ear_angle=42, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true) {
$a=size/2*ear_scale; $a=size/2*ear_scale;
$delta=2*(acos($a/(size*2))-90); $delta=2*(acos($a/(size*2))-90);
@ -107,7 +108,8 @@ module catear_headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNES
part=part, part=part,
stretch_len=stretch_len, stretch_len=stretch_len,
tip_len=tip_len, tip_len=tip_len,
tip_bend=tip_bend tip_bend=tip_bend,
with_rake=with_rake
); );
}; };
} }

49
catear_pedestal.scad Normal file
View file

@ -0,0 +1,49 @@
include <globals.scad>
use <catear_headband.scad>
SCALE_FACTOR=SIZE/9;
echo("scale factor: ", SCALE_FACTOR);
echo("bottom diameter: ", SIZE/SCALE_FACTOR);
difference() {
union()
for (i=[-1,1])
translate([i*2, 0, 0])
rotate(i*90, [0, 1, 0])
scale(1/SCALE_FACTOR)
union() {
translate([0, 0, SIZE+20+60])
rotate(90, [0, 1, 0])
scale(1.6)
catear_headband(thickness=5, with_rake=false);
translate([0, 0, 20])
cylinder(h=10, r=SIZE, $fn=360);
cylinder(h=20, d=SIZE, $fn=360);
}
translate([0, 0, -SIZE*(1/SCALE_FACTOR)*5])
cube(SIZE*10*(1/SCALE_FACTOR), center=true);
}
/*
scale(1/SCALE_FACTOR) {
translate([0, 0, 30])
scale([1, 1, -1])
difference() {
union() {
translate([0, 0, 20])
cylinder(h=10, r=SIZE, $fn=360);
cylinder(h=20, d=SIZE, $fn=360);
}
translate([0, 0, SIZE+20+60])
rotate(90, [0, 1, 0])
scale(1.6)
catear_headband(thickness=5, with_rake=false);
}
scale(1.6)
translate([0, 0, HEIGHT/2])
catear_headband(thickness=5, with_rake=false);
}
*/

6
headband.scad
View file

@ -1,5 +1,5 @@
include <chamfer.scad>
include <globals.scad> include <globals.scad>
use <chamfer.scad>
module partial_ring(part, radius, thickness, height) { module partial_ring(part, radius, thickness, height) {
rotate(180-180*part, [0, 0, 1]) rotate(180-180*part, [0, 0, 1])
@ -8,7 +8,7 @@ module partial_ring(part, radius, thickness, height) {
square([thickness, height], center=true); square([thickness, height], center=true);
} }
module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, rake_depth=RAKE_DEPTH, rake_width=RAKE_WIDTH, rake_stretch=RAKE_STRETCH, rake_chamfer=RAKE_CHAMFER, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE) { module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part=PART, stretch_len=STRETCH_LEN, tip_len=TIP_LEN, tip_bend=TIP_BEND, rake_depth=RAKE_DEPTH, rake_width=RAKE_WIDTH, rake_stretch=RAKE_STRETCH, rake_chamfer=RAKE_CHAMFER, chamfer=CHAMFER, chamfer_shape=CHAMFER_SHAPE, with_rake=true) {
union() { union() {
chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape) union() { chamfer(size=chamfer, child_h=height, child_bot=-height/2, shape=chamfer_shape) union() {
color("purple") color("purple")
@ -41,7 +41,7 @@ module headband(debug=DEBUG, size=SIZE, height=HEIGHT, thickness=THICKNESS, part
); );
} }
} }
for (i=[-size/2:size/2]) { if (with_rake) for (i=[-size/2:size/2]) {
rotate(i*2-rake_width/2, [0, 0, 1]) rotate(i*2-rake_width/2, [0, 0, 1])
intersection() { intersection() {
scale([1, 1, rake_stretch/(rake_depth/height)]) scale([1, 1, rake_stretch/(rake_depth/height)])