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modify unit

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Justin Lin
2019-09-25 15:22:42 +08:00
parent f599107da2
commit 91b127210b
1 changed files with 14 additions and 12 deletions
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26
examples/walk_torus83_fort.scad
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@@ -3,25 +3,26 @@ include <hollow_out.scad>;
// The idea is from Walk Torus83 Fort. // The idea is from Walk Torus83 Fort.
// https://sketchfab.com/3d-models/walk-torus83-fort-44dc701f676d40f7aa1bee874db6fde9 // https://sketchfab.com/3d-models/walk-torus83-fort-44dc701f676d40f7aa1bee874db6fde9
// The code works but still requires some math.
thickness = 4; thickness = 4;
height = 15; height = 15;
radius = 75; radius = 80;
// wall_radius still requires some math.
wall_radius = radius + thickness * 3.39375;
walk_torus83_fort(radius, thickness, height, $fn = 36); walk_torus83_fort(radius, thickness, height, $fn = 36);
wall(radius, height, thickness, $fn = 36); wall(wall_radius, height, thickness, $fn = 36);
module wall(radius, height, thickness) { module wall(radius, height, thickness) {
bk_number = 8; bk_number = 8;
half_thickness = thickness / 2; half_thickness = thickness / 2;
ro = radius - half_thickness; ro = radius;
ri = ro * 0.541196; ri = ro * 0.541196;
leng = radius * 0.458804; leng = ro / 2.3;
bk_w = leng / bk_number / 2; bk_w = leng / bk_number / 2;
module bk() { module bk() {
for(i = [0:bk_number]) { for(i = [0:bk_number + 2]) {
translate([(2 * i + 1) * bk_w, 0]) translate([(2 * i + 1) * bk_w, 0])
square(bk_w, center = true); square(bk_w, center = true);
} }
@@ -32,7 +33,7 @@ module wall(radius, height, thickness) {
intersection() { intersection() {
rotate(22.5) rotate(22.5)
polygon(shape_starburst(ro, ri, 8)); polygon(shape_starburst(ro, ri, 8));
circle(r); circle(ro * 0.9);
} }
} }
@@ -58,9 +59,9 @@ module wall(radius, height, thickness) {
module walk_torus83_fort(radius, thickness, height) { module walk_torus83_fort(radius, thickness, height) {
stair_number = 13; stair_number = 13;
leng = radius * 0.458804; leng = radius * 0.56;
module tower(leng, radius, height) { module tower(radius, height) {
linear_extrude(height) linear_extrude(height)
circle(radius); circle(radius);
translate([0, 0, height]) translate([0, 0, height])
@@ -146,9 +147,6 @@ module walk_torus83_fort(radius, thickness, height) {
half_h = height / 2; half_h = height / 2;
translate([leng, - thickness / 4])
tower(leng, thickness, height * 1.125);
road_width = thickness / 1.5; road_width = thickness / 1.5;
translate([0, -half_thickness - road_width / 2, half_h - half_h / stair_number]) translate([0, -half_thickness - road_width / 2, half_h - half_h / stair_number])
walkway(leng, road_width, height / stair_number * (stair_number - 1), thickness, stair_number); walkway(leng, road_width, height / stair_number * (stair_number - 1), thickness, stair_number);
@@ -159,5 +157,9 @@ module walk_torus83_fort(radius, thickness, height) {
rotate(45 * i) rotate(45 * i)
translate([offset, offset, 0]) translate([offset, offset, 0])
one_burst(leng, thickness, height, stair_number); one_burst(leng, thickness, height, stair_number);
rotate(45 * i + 22.5)
translate([radius + thickness / 1.75, 0])
tower(thickness * 1.25, height * 1.125);
} }
} }