openscad-models/avocado-nameplate/test-avocado.scad

// Avocado Nameplate for Ry
// A rectangular plate with recessed avocado cross-section and raised text

/* [Plate Dimensions] */
plate_width = 50;       // mm
plate_height = 85;     // mm
plate_thickness = 5;    // mm

/* [Avocado Settings] */
avocado_recess_depth = 2;   // mm - how deep the avocado is recessed
avocado_scale = 0.65;       // scale factor for avocado size relative to plate
avocado_y_offset = 2;      // mm - how far up from center the avocado is positioned

/* [Pit Settings] */
pit_width = 15;         // mm
pit_height = 16;        // mm
pit_recess_depth = 1;   // mm - how deep the pit is recessed into plate

/* [Text Settings] */
text_line1 = "#99 Ry";
text_line2 = "\"Avocado\"";
text_size = 7;          // mm - font size
text_bump = 1;          // mm - how high text rises above plate
text_line_spacing = 9;  // mm - vertical spacing between lines
text_y_position = 5;    // mm - distance from bottom of plate to bottom line baseline
text_font = "Liberation Sans:style=Bold";

/* [Keychain Hole] */
keychain_hole_diameter = 4;  // mm - diameter of the hole
keychain_hole_y_offset = 6;  // mm - distance from top edge of plate to hole center

/* [Resolution] */
$fn = 64;   // smoothness for curves

// ============================================
// MODULES
// ============================================

// 2D avocado outline (pear/teardrop shape)
module avocado_outline_2d(scale_factor = 1) {
    // Create pear shape using hull of circles
    // Wider bottom, narrower top with slight point
    scale([scale_factor, scale_factor, 1]) {
        hull() {
            // Bottom bulge (wider part)
            translate([0, -8, 0])
                circle(r = 22);

            // Middle section
            translate([0, 15, 0])
                circle(r = 16);

            // Top narrow part
            translate([0, 28, 0])
                circle(r = 12);

            // Tip/stem area
            translate([0, 30, 0])
                circle(r = 2);
        }
    }
}

// 2D pit outline (oval)
module pit_outline_2d() {
    // Offset slightly down from center since avocado pit sits in lower half
    translate([0, -2, 0])
        scale([pit_width/2, pit_height/2, 1])
            circle(r = 1);
}

// 2D avocado cross-section (outer minus pit)
module avocado_cross_section_2d(scale_factor = 1) {
    difference() {
        avocado_outline_2d(scale_factor);
        pit_outline_2d();
    }
}

// 3D avocado recess (for subtracting from plate)
module avocado_recess_3d() {
    // Position avocado in upper portion of plate
    translate([plate_width/2, plate_height/2 + avocado_y_offset, plate_thickness - avocado_recess_depth])
        linear_extrude(height = avocado_recess_depth + 0.1)  // +0.1 to ensure clean cut
            avocado_cross_section_2d(avocado_scale);
}

// 3D pit recess (for subtracting from plate surface)
module pit_recess_3d() {
    translate([plate_width/2, plate_height/2 + avocado_y_offset, plate_thickness - pit_recess_depth])
        linear_extrude(height = pit_recess_depth + 0.1)
            translate([0, -2, 0])  // Match pit_outline_2d offset
                scale([pit_width/2, pit_height/2, 1])
                    circle(r = 1);
}

// 3D raised text (two lines, centered) - COMMENTED OUT FOR TESTING
// module text_3d_raised() {
//     // Bottom line (line 2 - "Avocado")
//     translate([plate_width/2, text_y_position, plate_thickness])
//         linear_extrude(height = text_bump)
//             text(text_line2,
//                  size = text_size,
//                  font = text_font,
//                  halign = "center",
//                  valign = "baseline");
//
//     // Top line (line 1 - "#99 Ry")
//     translate([plate_width/2, text_y_position + text_line_spacing, plate_thickness])
//         linear_extrude(height = text_bump)
//             text(text_line1,
//                  size = text_size,
//                  font = text_font,
//                  halign = "center",
//                  valign = "baseline");
// }

// 3D recessed text (two lines, centered) - matches avocado recess depth
module text_recess_3d() {
    // Bottom line (line 2 - "Avocado")
    translate([plate_width/2, text_y_position, plate_thickness - avocado_recess_depth])
        linear_extrude(height = avocado_recess_depth + 0.1)  // +0.1 for clean cut
            text(text_line2,
                 size = text_size,
                 font = text_font,
                 halign = "center",
                 valign = "baseline");

    // Top line (line 1 - "#99 Ry")
    translate([plate_width/2, text_y_position + text_line_spacing, plate_thickness - avocado_recess_depth])
        linear_extrude(height = avocado_recess_depth + 0.1)
            text(text_line1,
                 size = text_size,
                 font = text_font,
                 halign = "center",
                 valign = "baseline");
}

// Base plate
module plate_base() {
    cube([plate_width, plate_height, plate_thickness]);
}

// Keychain hole (for subtracting from plate)
module keychain_hole_3d() {
    translate([plate_width/2, plate_height - keychain_hole_y_offset, -0.1])
        cylinder(h = plate_thickness + 0.2, d = keychain_hole_diameter);
}

// ============================================
// MAIN ASSEMBLY
// ============================================

module avocado_nameplate() {
    difference() {
        plate_base();
        avocado_recess_3d();
        pit_recess_3d();     // Pit recessed into plate surface
        text_recess_3d();    // Recessed text (same depth as avocado)
        keychain_hole_3d();  // Hole at top for keychain ring
    }

    // COMMENTED OUT: Raised text version
    // union() {
    //     difference() {
    //         plate_base();
    //         avocado_recess_3d();
    //     }
    //     text_3d_raised();
    // }
}

// Render the nameplate
avocado_nameplate();

// ============================================
// PREVIEW HELPERS (uncomment to debug)
// ============================================

// Preview just the 2D avocado shape:
// avocado_cross_section_2d(avocado_scale);

// Preview avocado position on plate:
// #avocado_recess_3d();