// Wall sign: a name or a word on a panel that hangs on screws, a nail
// or a cord, from the hanging library. The keyholes take a screw head;
// measure yours and set the sizes to match.

use <kerf/hanging>

/* [Sign] */
// Text, engraved
label = "Workshop"; // 16
// Panel width
width = 200; // [100:10:400]
// Panel height
height = 70; // [40:5:200]
// How it hangs
hang = "keyholes"; // [keyholes:Two keyholes, holes:Two holes for a cord, loop:A loop on top]

/* [Screws] */
// Diameter of the screw head
head = 9; // [6:0.5:14]
// Diameter of the screw's shank
shank = 4.5; // [2.5:0.5:6]

/* [Material] */
$thickness = 3; // [2:0.5:6]
// Beam width
$kerf = 0.15; // [0:0.01:0.3]

/* [Hidden] */
$material = "plywood";
$fn = 64;
text_size = min(height * 0.4, width * 0.7 / max(1, text_width(label, 1)));

module panel() rect([width, height], r = 6);

module hung() {
  if (hang == "keyholes") keyholes(width - 30, at = [width / 2, height - 10], head = head, shank = shank) panel();
  if (hang == "holes") hanging_hole(at = [width / 2, height - 8], d = 5, spacing = width - 20) panel();
  if (hang == "loop") hanging_loop(at = [width / 2, height + 3], d = 6) panel();
}

part("sign") {
  hung();
  engrave() translate([width / 2, height * 0.42]) text(label, size = text_size, halign = "center", valign = "center");
  score() outline() offset(delta = -4) panel();
}