diff --git a/side_table.scad b/side_table.scad index e903cad..94d6622 100644 --- a/side_table.scad +++ b/side_table.scad @@ -26,7 +26,7 @@ * - Sandpaper */ -include; +include; $fs = 0.1; diff --git a/vendor/regular_shapes.scad b/vendor/regular_shapes.scad new file mode 100644 index 0000000..5ddfaaf --- /dev/null +++ b/vendor/regular_shapes.scad @@ -0,0 +1,206 @@ +/* + * OpenSCAD Shapes Library (www.openscad.org) + * Copyright (C) 2010-2011 Giles Bathgate + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, + * LGPL version 2.1, or (at your option) any later version of the GPL. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * +*/ + +// 2D regular shapes + +module triangle(radius) +{ + o=radius/2; //equivalent to radius*sin(30) + a=radius*sqrt(3)/2; //equivalent to radius*cos(30) + polygon(points=[[-a,-o],[0,radius],[a,-o]],paths=[[0,1,2]]); +} + +module reg_polygon(sides,radius) +{ + function dia(r) = sqrt(pow(r*2,2)/2); //sqrt(r*2^2/2) if only we had an exponention op + if(sides<2) square([radius,0]); + if(sides==3) triangle(radius); + if(sides==4) square([dia(radius),dia(radius)],center=true); + if(sides>4) circle(r=radius,$fn=sides); +} + +module pentagon(radius) +{ + reg_polygon(5,radius); +} + +module hexagon(radius) +{ + reg_polygon(6,radius); +} + +module heptagon(radius) +{ + reg_polygon(7,radius); +} + +module octagon(radius) +{ + reg_polygon(8,radius); +} + +module nonagon(radius) +{ + reg_polygon(9,radius); +} + +module decagon(radius) +{ + reg_polygon(10,radius); +} + +module hendecagon(radius) +{ + reg_polygon(11,radius); +} + +module dodecagon(radius) +{ + reg_polygon(12,radius); +} + +module ellipse(width, height) { + scale([1, height/width, 1]) circle(r=width/2); +} + +module egg_outline(width, length){ + union(){ + difference(){ + ellipse(width, 2*length-width); + translate([-length/2, 0, 0]) square(length); + } + circle(r=width/2); + } +} + +//3D regular shapes + +module cone(height, radius, center = false) +{ + cylinder(height, radius, 0, center); +} + +module oval_prism(height, rx, ry, center = false) +{ + scale([1, rx/ry, 1]) cylinder(h=height, r=ry, center=center); +} + +module oval_tube(height, rx, ry, wall, center = false) +{ + difference() { + scale([1, ry/rx, 1]) cylinder(h=height, r=rx, center=center); + translate([0,0,-height/2]) scale([(rx-wall)/rx, (ry-wall)/rx, 2]) cylinder(h=height, r=rx, center=center); + } +} + +module cylinder_tube(height, radius, wall, center = false) +{ + tubify(radius,wall) + cylinder(h=height, r=radius, center=center); +} + +//Tubifies any regular prism +module tubify(radius,wall) +{ + difference() + { + child(0); + translate([0, 0, -0.1]) scale([(radius-wall)/radius, (radius-wall)/radius, 2]) child(0); + } +} + +module triangle_prism(height,radius) +{ + linear_extrude(height=height) triangle(radius); +} + +module triangle_tube(height,radius,wall) +{ + tubify(radius,wall) triangle_prism(height,radius); +} + +module pentagon_prism(height,radius) +{ + linear_extrude(height=height) pentagon(radius); +} + +module pentagon_tube(height,radius,wall) +{ + tubify(radius,wall) pentagon_prism(height,radius); +} + +module hexagon_prism(height,radius) +{ + linear_extrude(height=height) hexagon(radius); +} + +module heptagon_prism(height,radius) +{ + linear_extrude(height=height) heptagon(radius); +} + +module octagon_prism(height,radius) +{ + linear_extrude(height=height) octagon(radius); +} + +module nonagon_prism(height,radius) +{ + linear_extrude(height=height) nonagon(radius); +} + +module decagon_prism(height,radius) +{ + linear_extrude(height=height) decagon(radius); +} + +module hendecagon_prism(height,radius) +{ + linear_extrude(height=height) hendecagon(radius); +} + +module dodecagon_prism(height,radius) +{ + linear_extrude(height=height) dodecagon(radius); +} + +module torus(outerRadius, innerRadius) +{ + r=(outerRadius-innerRadius)/2; + rotate_extrude() translate([innerRadius+r,0,0]) circle(r); +} + +module triangle_pyramid(radius) +{ + o=radius/2; //equivalent to radius*sin(30) + a=radius*sqrt(3)/2; //equivalent to radius*cos(30) + polyhedron(points=[[-a,-o,-o],[a,-o,-o],[0,radius,-o],[0,0,radius]],triangles=[[0,1,2],[1,2,3],[0,1,3],[0,2,3]]); +} + +module square_pyramid(base_x, base_y,height) +{ + w=base_x/2; + h=base_y/2; + polyhedron(points=[[-w,-h,0],[-w,h,0],[w,h,0],[w,-h,0],[0,0,height]],triangles=[[0,3,2,1], [0,1,4], [1,2,4], [2,3,4], [3,0,4]]); +} + +// Tests: + +module test_square_pyramid(){square_pyramid(10, 20, 30);} diff --git a/roundedcube.scad b/vendor/roundedcube.scad similarity index 100% rename from roundedcube.scad rename to vendor/roundedcube.scad