numeric_stencils.scad

// text_on_cube.scad - Example for text() usage in OpenSCAD

echo(version=version());

include <specs.scad>;

$fn = 32;

module render_stencils(number, border=border) {
    // Loop to generate 10 plates
    for (i = [0:number]) {
        plate_row= i>4 ? plate_height + border : 0;
        n= i>4 ? i-5 : i;
        
        // Translate each plate to its position
        translate([n * (plate_width + border), plate_row, 0]) {
            union() {
                if (i == 0 || i == 4 || i == 6 || i == 8 || i == 9) {
                    translate([0.35, 0, 0]){
                        difference() {
                            union() {
                                // The bridges
                                if (i == 0 || i == 6 || i == 8) { 
                                    translate([plate_width / 2 - bridge_width, font_size / 2, 0]) {
                                        color("hotpink") {
                                            cube([bridge_width*2, font_size/5, plate_thickness]);
                                        }
                                    }
                                }
                                if (i == 4 || i == 6 || i == 8 || i == 9) {
                                    translate([plate_width / 2 - bridge_width, font_size/1.45, 0]) {
                                        color("hotpink") {
                                            cube([bridge_width*2, font_size/5, plate_thickness]);
                                        }
                                    }
                                }
                                if (i == 0 || i== 8 || i == 9) {
                                    translate([plate_width / 2 - bridge_width, font_size/1.06, 0]) {
                                        color("hotpink") {
                                            cube([bridge_width*2, font_size/8.33, plate_thickness]);
                                        }
                                    }
                                }
                            }
                            rotate([90, 0, 180]) {
                                translate([-plate_width/2+bridge_width, 0, 0]) {
                                    linear_extrude(height=plate_height) {
                                        polygon([[-bevel_size/2, 0], [0,bevel_size], [0, 0]]);
                                    }
                                }
                            }
                            rotate([90, 90, 180]) {
                                translate([0, -plate_width/2-bridge_width, 0]) {
                                    linear_extrude(height=plate_height) {
                                        polygon([[-bevel_size, 0], [0,bevel_size/2], [0, 0]]);
                                    }
                                }
                            }                    
                        }
                    }
                }
                // The stencil base with number and slant
                difference() {
                    // Create the plate
                    color("skyblue", 0.5) {
                        difference() {
                            cube([plate_width, plate_height, plate_thickness]);
                            translate([plate_width / 2, 4.5, -0.1]) {
                                cylinder(h=mag_depth, d=5.1);
                            }
                            translate([plate_width / 2, plate_height-4.5, -0.1]) {
                                cylinder(h=mag_depth, d=5.1);
                            }
                        }
                    }
                    color("hotpink") {
                        // Emboss the number
                        translate([plate_width/2, plate_height/2, -plate_thickness]) {
                            linear_extrude(plate_thickness*4) {
                                text(str(i), font=font, size=font_size, halign="center",       valign="center");
                            }
                        }
                    }
                    rotate([90, 0, 180]) {
                        translate([0, 0, 0]) {
                            linear_extrude(height=plate_height) {
                                polygon([[-bevel_size/2, 0], [0,bevel_size], [0, 0]]);
                            }
                        }
                    }
                    rotate([90, 180, 180]) {
                        translate([plate_width, -plate_thickness, 0]) {
                            linear_extrude(height=plate_height) {
                                polygon([[-bevel_size/2, 0], [0,bevel_size], [0, 0]]);
                            }
                        }
                    }
                }
            }
        }
    }
}

rotate([180,0,0]) {
    translate([0, -2*(plate_height) - border, 0]) {
        render_stencils(9, border);
    }
}