pdf-page/gemini-3.7-flash / tier-4-gp2y0d413k

データシート（GP2Y0D413K0F）の寸法に基づき作成したOpenSCADモデルです。

### 座標系
- **X軸**: センサ幅方向（29.45 mm）
- **Y軸**: 検知/光軸方向（+Y: レンズ受発光面、-Y: 背面）
- **Z軸**: 高さ方向（+Z: 上面、-Z: PWB/コネクタ取付面）
- **原点**: メインケース本体の中心

```openscad
// Sharp GP2Y0D413K0F Distance Measuring Sensor
// Unit: mm

$fn = 40;

// Dimensions based on datasheet
W_MAIN = 29.45;       // Main body width
H_MAIN = 13.05;       // Main body height
D_MAIN = 7.10;        // Main body depth

// Lens / Optics offsets & dimensions
LENS_EMITTER_OFFSET_X  = -W_MAIN/2 + 4.5;   // *4.5 mm from left edge
LENS_DETECTOR_OFFSET_X = LENS_EMITTER_OFFSET_X + 19.7; // *19.7 mm pitch

HOOD_BASE_D  = 4.3;   // 6.3 - 2.0 mm
HOOD_BASE_H  = 8.4;
HOOD_TIP_D   = 2.0;
HOOD_TIP_H   = 7.2;

EMITTER_W    = 7.5;
DETECTOR_W   = 16.3;

// Connector dimensions
CONN_W       = 10.1;
CONN_H       = 18.9 - H_MAIN; // 5.85 mm protrusion
CONN_D       = 5.0;
PWB_THICK    = 1.2;

// Colors
C_BODY       = [0.20, 0.20, 0.22]; // Carbonic ABS (Dark Grey/Black)
C_LENS       = [0.12, 0.05, 0.18]; // Visible light cut-off resin (Dark Violet/Black)
C_CONN       = [0.92, 0.90, 0.85]; // White/Natural resin
C_PIN        = [0.85, 0.75, 0.35]; // Gold/Brass pins
C_PWB        = [0.45, 0.30, 0.15]; // Paper phenol PCB

module gp2y0d413k0f() {
    // --- 1. Main Case Body ---
    color(C_BODY) {
        difference() {
            // Main body block
            translate([-W_MAIN/2, -D_MAIN/2, -H_MAIN/2])
                cube([W_MAIN, D_MAIN, H_MAIN]);
            
            // Bottom cutout for connector area
            translate([-CONN_W/2 - 0.5, -D_MAIN/2 - 0.1, -H_MAIN/2 - 0.1])
                cube([CONN_W + 1.0, D_MAIN + 0.2, 2.0]);
        }
    }

    // --- 2. Front Lens Hoods (Emitter & Detector) ---
    color(C_BODY) {
        // Emitter Hood (Left side)
        translate([LENS_EMITTER_OFFSET_X - EMITTER_W/2, D_MAIN/2, -HOOD_BASE_H/2]) {
            cube([EMITTER_W, HOOD_BASE_D, HOOD_BASE_H]);
        }
        translate([LENS_EMITTER_OFFSET_X - EMITTER_W/2, D_MAIN/2 + HOOD_BASE_D, -HOOD_TIP_H/2]) {
            difference() {
                cube([EMITTER_W, HOOD_TIP_D, HOOD_TIP_H]);
                // Lens aperture
                translate([EMITTER_W/2, -0.1, HOOD_TIP_H/2])
                    rotate([-90, 0, 0])
                    cylinder(r = 3.0, h = HOOD_TIP_D + 0.2);
            }
        }

        // Detector Hood (Right side)
        translate([LENS_DETECTOR_OFFSET_X - DETECTOR_W/2 + 2.0, D_MAIN/2, -HOOD_BASE_H/2]) {
            cube([DETECTOR_W, HOOD_BASE_D, HOOD_BASE_H]);
        }
        translate([LENS_DETECTOR_OFFSET_X - DETECTOR_W/2 + 2.0, D_MAIN/2 + HOOD_BASE_D, -HOOD_TIP_H/2]) {
            difference() {
                cube([DETECTOR_W, HOOD_TIP_D, HOOD_TIP_H]);
                // Lens aperture
                translate([DETECTOR_W/2 - 2.0, -0.1, HOOD_TIP_H/2])
                    rotate([-90, 0, 0])
                    cylinder(r = 3.0, h = HOOD_TIP_D + 0.2);
            }
        }
    }

    // --- 3. Lenses ---
    color(C_LENS) {
        // Emitter Lens (Convex)
        translate([LENS_EMITTER_OFFSET_X, D_MAIN/2 + HOOD_BASE_D + HOOD_TIP_D - 0.5, 0])
            rotate([-90, 0, 0])
            scale([1, 1, 0.6])
            sphere(r = 3.2);

        // Detector Lens (Convex)
        translate([LENS_DETECTOR_OFFSET_X, D_MAIN/2 + HOOD_BASE_D + HOOD_TIP_D - 0.5, 0])
            rotate([-90, 0, 0])
            scale([1, 1, 0.6])
            sphere(r = 3.2);
    }

    // --- 4. PCB (PWB) on the bottom ---
    color(C_PWB) {
        translate([-W_MAIN/2 + 1.0, -D_MAIN/2, -H_MAIN/2 - PWB_THICK])
            cube([W_MAIN - 2.0, D_MAIN, PWB_THICK]);
    }

    // --- 5. Connector (JCTC 12001W90-3P-HF) ---
    translate([0, 0, -H_MAIN/2]) {
        // Connector Housing
        color(C_CONN) {
            difference() {
                translate([-CONN_W/2, -D_MAIN/2 - 3.3 + 1.2, -CONN_H])
                    cube([CONN_W, CONN_D, CONN_H]);
                
                // Connector cavity (mating port)
                translate([-CONN_W/2 + 1.0, -D_MAIN/2 - 3.3 + 0.8, -CONN_H - 0.1])
                    cube([CONN_W - 2.0, CONN_D - 1.5, CONN_H - 1.5]);
            }
        }

        // Connector Pins (3-pin: Vo, GND, Vcc)
        color(C_PIN) {
            for (i = [-1, 0, 1]) {
                translate([i * 1.5, -D_MAIN/2 - 1.5, -CONN_H + 1.0])
                    cylinder(r = 0.25, h = CONN_H - 1.5);
            }
        }
    }
}

// Render the sensor
gp2y0d413k0f();
```