add initial text stamp/stencil generator

main.scad

@@ -0,0 +1,150 @@
+/* [Main design variables] */
+variant = "stamp"; // ["stamp", "stencil"]
+// Set the width of the object. Height is calculated automatically.
+width = 80; // [0:200]
+// Set the text size to match the width.
+textsize = 12; // [10:36]
+font_set = 2; // [0:"linux", 1:"windows", 2:"custom", 3:"stencil"]
+font_index = 0;
+lines = ["line one", "line two"];
+
+/* [common technical vars] */
+linespacing_custom = 0.8;
+border = 0;
+
+/* [stamp technical vars] */
+base_thickness_stamp = 1;
+base_rounding_stamp = 4;
+stamp_depth = 1.5;
+
+/* [stencil technical vars] */
+base_thickness_stencil = 0.4;
+base_rounding_stencil = 2;
+
+/* [fonts] */
+
+fonts_linux = [
+
+];
+
+fonts_windows = [
+
+];
+
+fonts_custom = [
+    "Anonymous Pro Minus:style=Bold",
+    "Anonymous Pro Minus",
+    "Kings:style=Regular",
+    "CAT FrankenDeutsch:style=Regular",
+    "Bounded:style=Medium"
+];
+
+fonts_stencil = ["Depot:style=Regular",
+    "Depot Filled:style=Regular",
+    "Allerta Stencil:style=Regular",
+    "Stardos Stencil:style=Regular",
+    "Stardos Stencil:style=Bold",
+    "Stencilia\\-A:style=Regular",
+    "Stencilia\\-Bold:style=Regular"
+];
+
+/* [hidden] */
+
+linespacing = textsize*1.6 * linespacing_custom;
+height = (len(lines) * linespacing) + border*2;
+
+font_sets = [fonts_linux, fonts_windows, fonts_custom, fonts_stencil];
+font = font_sets[font_set][font_index];
+
+if (font == undef)
+{
+    assert(false, "Font index out of range");
+}
+
+
+if (version()[0] != 2021 || version()[1] != 1)
+{
+    echo();
+    echo();
+    echo();
+    echo("WARNING!");
+    echo("Version is not 2021.01");
+    echo("Edit model text in the code editor");
+    echo("pending changes in the customizer may be overwritten");
+    echo();
+    echo();
+    echo();
+}
+
+
+// All variables are set, make main
+main();
+
+
+module main()
+{
+    if (variant == "stamp")
+    {
+        scale([-1,1,1])
+        stamp();
+        translate([40,0,0])
+        %stamp();
+    }
+    else if (variant == "stencil")
+    {
+        stencil();
+    }
+    else
+    {
+        assert(false, "Invalid object variant");
+    }
+}
+
+module stamp_base(x, y, z, rounding)
+{
+    hull()
+    {
+        for(i = [0+rounding,x-rounding])
+        {
+            for(j = [0+rounding,y-rounding])
+            {
+                translate([i,j,0])
+                cylinder(h = z, r = rounding);
+            }
+        }
+    }
+}
+
+module stamp()
+{
+    union()
+    {
+        stamp_base(x = width, y = height, z = base_thickness_stamp, rounding = base_rounding_stamp);
+
+        for (i = [0 : 1 : len(lines)])
+        {
+            line = lines[(len(lines)-1)-i];
+            translate(v = [width/2, linespacing/2 +border + i*linespacing, 0])
+            color("white")
+                linear_extrude(height = base_thickness_stamp+stamp_depth)
+                text(line, font = font, halign="center", valign="center", size=textsize);
+        }
+    }
+}
+
+module stencil()
+{
+    difference()
+    {
+        stamp_base(width, height, base_thickness_stencil, base_rounding_stamp);
+
+        for (i = [0 : 1 : len(lines)])
+        {
+            line = lines[(len(lines)-1)-i];
+                translate(v = [width/2, linespacing/2 +border + i*linespacing, 0])
+                linear_extrude(height = base_thickness_stencil+0.01)
+                text(line, font = font, halign="center", valign="center", size=textsize);
+        }
+    }
+}
+