MCAD-Library/shapes.scad
2019-07-23 21:41:55 +08:00

183 lines
4.7 KiB
OpenSCAD

/*
* OpenSCAD Shapes Library (www.openscad.org)
* Copyright (C) 2009 Catarina Mota
* Copyright (C) 2010 Elmo Mäntynen
*
* License: LGPL 2.1 or later
*/
include <units.scad>
/*
2D Shapes
ngon(sides, radius, center=false);
3D Shapes
box(width, height, depth);
roundedBox(width, height, depth, radius);
cone(height, radius);
ellipticalCylinder(width, height, depth);
ellipsoid(width, height);
tube(height, radius, wall, center = false);
tube2(height, ID, OD, center = false);
ovalTube(width, height, depth, wall, center = false);
hexagon(height, depth);
octagon(height, depth);
dodecagon(height, depth);
hexagram(height, depth);
rightTriangle(adjacent, opposite, depth);
equiTriangle(side, depth);
12ptStar(height, depth);
*/
//----------------------
echo_deprecated_shapes_library();
module echo_deprecated_shapes_library() {
echo("<font color='red'>
DEPRECATED: 'shapes' library is now deprecated
please use 'regular_shapes' instead</font>");
}
// size is a vector [w, h, d]
module box(width, height, depth) {
echo_deprecated_shapes_library();
cube([width, height, depth], true);
}
// size is a vector [w, h, d]
module roundedBox(width, height, depth, radius) {
echo_deprecated_shapes_library();
size=[width, height, depth];
cube(size - [2*radius,0,0], true);
cube(size - [0,2*radius,0], true);
for (x = [radius-size[0]/2, -radius+size[0]/2],
y = [radius-size[1]/2, -radius+size[1]/2]) {
translate([x,y,0]) cylinder(r=radius, h=size[2], center=true);
}
}
module cone(height, radius, center = false) {
echo_deprecated_shapes_library();
cylinder(height, radius, 0, center);
}
module ellipticalCylinder(w,h, height, center = false) {
echo_deprecated_shapes_library();
scale([1, h/w, 1]) cylinder(h=height, r=w, center=center);
}
module ellipsoid(w, h, center = false) {
echo_deprecated_shapes_library();
scale([1, h/w, 1]) sphere(r=w/2, center=center);
}
// wall is wall thickness
module tube(height, radius, wall, center = false) {
echo_deprecated_shapes_library();
linear_extrude (height = height, center = center) {
difference() {
circle(r = radius);
circle(r = radius - wall);
}
}
difference() {
cylinder(h=height, r=radius, center=center);
translate([0,0,-epsilon])
cylinder(h=height+2*epsilon, r=radius-wall, center=center);
}
}
module tube2(height, ID, OD, center = false) {
tube(height = height, center = center, radius = OD / 2, wall = (OD - ID)/2);
}
// wall is wall thickness
module ovalTube(height, rx, ry, wall, center = false) {
echo_deprecated_shapes_library();
difference() {
scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center);
scale([(rx-wall)/rx, (ry-wall)/rx, 1]) cylinder(h=height, r=rx, center=center);
}
}
// size is the XY plane size, height in Z
module hexagon(size, height) {
echo_deprecated_shapes_library();
boxWidth = size/1.75;
for (r = [-60, 0, 60])
rotate([0,0,r])
cube([boxWidth, size, height], true);
}
// size is the XY plane size, height in Z
module octagon(size, height) {
echo_deprecated_shapes_library();
intersection() {
cube([size, size, height], true);
rotate([0,0,45])
cube([size, size, height], true);
}
}
// size is the XY plane size, height in Z
module dodecagon(size, height) {
echo_deprecated_shapes_library();
intersection() {
hexagon(size, height);
rotate([0,0,90]) hexagon(size, height);
}
}
// size is the XY plane size, height in Z
module hexagram(size, height) {
echo_deprecated_shapes_library();
boxWidth=size/1.75;
for (v = [[0,1],[0,-1],[1,-1]]) {
intersection() {
rotate([0,0,60*v[0]]) cube([size, boxWidth, height], true);
rotate([0,0,60*v[1]]) cube([size, boxWidth, height], true);
}
}
}
module rightTriangle(adjacent, opposite, height) {
echo_deprecated_shapes_library();
difference() {
translate([-adjacent/2,opposite/2,0])
cube([adjacent, opposite, height], true);
translate([-adjacent,0,0]) {
rotate([0,0,atan(opposite/adjacent)])
dislocateBox(adjacent*2, opposite, height+2);
}
}
}
module equiTriangle(side, height) {
echo_deprecated_shapes_library();
difference() {
translate([-side/2,side/2,0]) cube([side, side, height], true);
rotate([0,0,30]) dislocateBox(side*2, side, height);
translate([-side,0,0]) {
rotate([0,0,60]) dislocateBox(side*2, side, height);
}
}
}
module 12ptStar(size, height) {
echo_deprecated_shapes_library();
starNum = 3;
starAngle = 90/starNum;
for (s = [1:starNum]) {
rotate([0, 0, s*starAngle]) cube([size, size, height], true);
}
}
//-----------------------
//MOVES THE ROTATION AXIS OF A BOX FROM ITS CENTER TO THE BOTTOM LEFT CORNER
module dislocateBox(w, h, d) {
translate([0,0,-d/2]) cube([w,h,d]);
}