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add stereographic_projection_chars

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Justin Lin
2019-09-27 07:34:48 +08:00
parent 08c51370dd
commit 0309699822
1 changed files with 39 additions and 0 deletions
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examples/stereographic_projection_chars.scad Normal file
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include <stereographic_extrude.scad>;
txt = "";
square_size = 100;
font_name = "Webdings";
font_size = 140;
fn = 24;
shadow = "YES"; // [YES, NO]
base_height = 2;
module stereographic_projection_chars(txt, square_size, font_name, font_size) {
frame_width = 0.225 * square_size;
for(i = [0:3]) {
offset_x = square_size * 0.8 * (i == 1 || i == 2 ? 1 : -1) +
frame_width / 2 * (i == 0 || i == 3 ? 1 : -1);
offset_y = square_size * 0.8 * (i == 0 || i == 1 ? 1 : -1) +
frame_width / 2 * (i == 0 || i == 1 ? -1 : 1);
translate([offset_x, offset_y, 0]) intersection() {
union() {
rotate(-135 - 90 * i) scale([1.15, 1, 1])
text(txt[i], size = font_size, font = font_name, valign = "center", halign = "center");
difference() {
square(square_size * 1.6, center = true);
square(square_size * 1.15, center = true);
}
}
square(square_size * 1.6, center = true);
}
}
}
stereographic_extrude(square_size * 2.975)
stereographic_projection_chars(txt, square_size, font_name, font_size);
if(shadow == "YES") {
color("red") linear_extrude(base_height) stereographic_projection_chars(txt, square_size, font_name, font_size);
}