Text

Beginner

Text

Usage

text(<someText>)

Example

// use linear_extrude() to make 3D
linear_extrude(5)
    text("TODPROGRAMMING");

Making a Name Tag

// use linear_extrude() to make 3D
$fa = 1;
$fs = 0.4;

s = "TODOPROGRAMMING";
size = 20;
font = "Liberation Serif";
padding = 7;

function is_upper(c) = ord(c) >= 65 && ord(c) <= 90;
function is_lower(c) = ord(c) >= 97 && ord(c) <= 122;
function is_digit(c) = ord(c) >= 48 && ord(c) <= 57;

// Text metrics are a thing but not in the stable build
function char_width_factor(c) =
    c == " " ? 0.33 :
    is_upper(c) ? 0.94 :
    is_lower(c) ? 0.56 :
    is_digit(c) ? 0.58 :
    0.45;

    function width_factor_sum(i = 0, acc = 0) =
        i >= len(s) ? acc : width_factor_sum(i + 1, acc + char_width_factor(s[i]));

    text_width = size * width_factor_sum();
    text_height = size * 1.15;

    translate([0, 0, 1])
    linear_extrude(4)
        text(s, size=size, font=font, halign="center", valign="center");

    translate([0, 0, 0])
        color("black")
        cube([text_width + padding * 2, text_height + padding, 3], center=true);