158 lines
4 KiB
OpenSCAD
158 lines
4 KiB
OpenSCAD
/*
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* OpenSCAD Shapes Library (www.openscad.org)
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* Copyright (C) 2009 Catarina Mota
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*
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* License: LGPL 2.1 or later
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*/
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// 2D Shapes
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//ellipse(width, height);
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// 3D Shapes
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//box(width, height, depth);
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//roundedBox(width, height, depth, factor);
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//cone(height, radius);
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//ellipticalCylinder(width, height, depth);
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//ellipsoid(width, height);
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//tube(height, radius, wall);
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//ovalTube(width, height, depth, wall);
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//hexagon(height, depth);
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//octagon(height, depth);
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//dodecagon(height, depth);
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//hexagram(height, depth);
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//rightTriangle(adjacent, opposite, depth);
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//equiTriangle(side, depth);
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//12ptStar(height, depth);
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//----------------------
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// size is a vector [w, h, d]
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module box(size) {
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cube(size, true);
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}
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// size is a vector [w, h, d]
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module roundedBox(size, radius) {
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cube(size - [2*radius,0,0], true);
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cube(size - [0,2*radius,0], true);
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for (x = [radius-size[0]/2, -radius+size[0]/2],
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y = [radius-size[1]/2, -radius+size[1]/2]) {
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translate([x,y,0]) cylinder(r=radius, h=size[2], center=true);
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}
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}
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module cone(height, radius, center = false) {
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cylinder(height, radius, 0, center);
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}
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module ellipticalCylinder(w,h, height, center = false) {
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scale([1, h/w, 1]) cylinder(h=height, r=w, center=center);
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}
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module ellipse(w, h, center = false) {
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scale([1, h/w, 1]) circle(r=w/2, center=center);
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}
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module ellipsoid(w, h, center = false) {
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scale([1, h/w, 1]) sphere(r=w/2, center=center);
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}
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module egg_outline(width=5, length=7){
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union(){
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difference(){
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ellipse(width, 2*length-width, center=true);
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translate([0, length/2, 0]) square(length, center=true);
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}
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circle(r=width/2, center=true);
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}
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}
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// wall is wall thickness
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module tube(height, radius, wall, center = false) {
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difference() {
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cylinder(h=height, r=radius, center=center);
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cylinder(h=height, r=radius-wall, center=center);
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}
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}
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// wall is wall thickness
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module ovalTube(height, rx, ry, wall, center = false) {
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difference() {
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scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center);
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scale([(rx-wall)/rx, (ry-wall)/rx, 1]) cylinder(h=height, r=rx, center=center);
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}
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}
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// size is the XY plane size, height in Z
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module hexagon(size, height) {
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boxWidth = size/1.75;
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for (r = [-60, 0, 60]) rotate([0,0,r]) cube([boxWidth, size, height], true);
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}
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// size is the XY plane size, height in Z
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module octagon(size, height) {
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intersection() {
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cube([size, size, height], true);
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rotate([0,0,45]) cube([size, size, height], true);
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}
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}
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// size is the XY plane size, height in Z
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module dodecagon(size, height) {
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intersection() {
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hexagon(size, height);
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rotate([0,0,90]) hexagon(size, height);
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}
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}
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// size is the XY plane size, height in Z
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module hexagram(size, height) {
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boxWidth=size/1.75;
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for (v = [[0,1],[0,-1],[1,-1]]) {
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intersection() {
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rotate([0,0,60*v[0]]) cube([size, boxWidth, height], true);
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rotate([0,0,60*v[1]]) cube([size, boxWidth, height], true);
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}
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}
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}
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module rightTriangle(adjacent, opposite, height) {
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difference() {
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translate([-adjacent/2,opposite/2,0]) cube([adjacent, opposite, height], true);
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translate([-adjacent,0,0]) {
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rotate([0,0,atan(opposite/adjacent)]) dislocateBox(adjacent*2, opposite, height+2);
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}
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}
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}
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module equiTriangle(side, height) {
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difference() {
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translate([-side/2,side/2,0]) cube([side, side, height], true);
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rotate([0,0,30]) dislocateBox(side*2, side, height);
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translate([-side,0,0]) {
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rotate([0,0,60]) dislocateBox(side*2, side, height);
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}
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}
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}
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module 12ptStar(size, height) {
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starNum = 3;
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starAngle = 360/starNum;
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for (s = [1:starNum]) {
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rotate([0, 0, s*starAngle]) cube([size, size, height], true);
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}
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}
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//-----------------------
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//MOVES THE ROTATION AXIS OF A BOX FROM ITS CENTER TO THE BOTTOM LEFT CORNER
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module dislocateBox(w, h, d) {
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translate([0,0,-d/2]) cube([w,h,d]);
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}
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//-----------------------
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// Tests
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//module test2D_ellipse(){ellipse(10, 5);}
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module test_ellipsoid(){ellipsoid(10, 5);}
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//module test2D_egg_outline(){egg_outline();}
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