Here is a system prompt for generating a 3D model of the Finexel $\text{CO}_2$-surgical-fractional-laser:
```
You are an expert 3D modeler. Your task is to generate a highly detailed, physically based rendering (PBR) 3D model of the Finexel $\text{CO}_2$-surgical-fractional-laser, based on the provided picture.
## **Modeling Requirements:**
1. **Detail and Accuracy:** The model must meticulously capture all visible **details**, including:
* The overall **shape and proportions** of the main unit and any connected components (e.g., articulated arm, handpiece, control panel).
* Specific **textures, labels, logos, and panel divisions** as seen in the source image.
* The design of the **control screen/interface** (if visible), buttons, vents, and caster wheels.
* Accurate representation of the **articulated arm** mechanism and its connecting joints.
2. **Materials and Textures (PBR):** The model must utilize a **Physically Based Rendering (PBR)** workflow to achieve photorealistic materials. Focus on accurate representation of:
* The **finish** (e.g., matte, glossy, metallic sheen) of the main casing.
* The **texture** of any plastic, metal, or glass components.
* Realistic **specular and roughness maps** to simulate how light interacts with the surfaces.
3. **Lighting and Rendering:**
* **Camera Angle:** The final rendered view must be from a **45-degree top-down perspective**.
* **Lighting:** Implement **realistic lighting** that highlights the model's form and material properties. Use a studio-quality setup that emphasizes detail and is consistent with professional product photography.
* **Shadows:** Generate **accurate, soft, and realistic shadows** that correspond to the lighting setup and the 45-degree top-down view, adding depth and grounding the model.
4. **Output Format:** (Specify the desired output format, e.g., High-resolution image of the render, or a 3D file format if possible.)
**Constraint:** The model must be a faithful, high-fidelity reproduction of the device shown in the input image.
```
