ui/Logo/logo.scad

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2022-04-10 04:45:17 +00:00
length = 10;
n = 5;
// Draw all geometry
//translate([0,0]) polygon(ngon(n, length));
translate([0,0]) hollow_ngon(n, length);
// Simple list comprehension for creating N-gon vertices
function ngon(num, r) =
[for (i=[0:num-1], a=i*360/num) [ r*cos(a), r*sin(a) ]];
module hollow_ngon(num, r, width = 1) {
difference() {
translate([0,0]) polygon(ngon(num, r));
translate([0,0]) polygon(ngon(num, r-width));
}
}
l = 10;
CubePoints = [
[ 0, 0, 0 ], //0
[ 10, 0, 0 ], //1
[ 10, 7, 0 ], //2
[ 0, 7, 0 ], //3
[ 0, 0, 5 ], //4
[ 10, 0, 5 ], //5
[ 10, 7, 5 ], //6
[ 0, 7, 5 ]]; //7
CubeFaces = [
[0,1,2,3], // bottom
[4,5,1,0], // front
[7,6,5,4], // top
[5,6,2,1], // right
[6,7,3,2], // back
[7,4,0,3]]; // left
polyhedron( CubePoints, CubeFaces );
//The coordinates of the 12 additional vertices are (0, ±(1 + h), ±(1 h2)), (±(1 + h), ±(1 h2), 0) and (±(1 h2), 0, ±(1 + h)).
// (0, ±(1 + h), ±(1 h2)),
// (0, (1 + h), (1 h2) ),
// (±(1 + h), ±(1 h2), 0)
// (±(1 h2), 0, ±(1 + h))
steps = 50;
sides = 5;
vert = [
]
points = [
// first expression generating the points in the positive Y quadrant
//(0, ±(1 + h), ±(1 h2)),
for (a = [0 : sides]) [ a, 10 * sin(a * 360 / steps) + 10 ],
// second expression generating the points in the negative Y quadrant
for (a = [steps : -1 : 0]) [ a, 10 * cos(a * 360 / steps) - 20 ],
// additional list of fixed points
[ 10, -3 ], [ 3, 0 ], [ 10, 3 ]
];
polygon(points);