> For the complete documentation index, see [llms.txt](https://wiki.polymaker.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wiki.polymaker.com/the-basics/applications/automotive.md).

# Automotive

FDM 3D printing has become a game-changer for automotive enthusiasts and manufacturers alike, offering unprecedented flexibility in creating custom parts, repairing components, and even producing functional under-the-hood replacements. From **cosmetic restorations** like dashboard trim to **high-heat engine bay components**, FDM bridges the gap between prototyping and end-use manufacturing. With materials like Polymaker’s **Fiberon™ line**, automotive professionals and hobbyists can now produce parts that rival traditional manufacturing in strength, heat resistance, and precision—all from a desktop printer.

<figure><img src="/files/C5VA0PXohQEhxWhUEb1X" alt=""><figcaption><p>Lawrence Technological University Formula SAE Team uses Polymaker products to help build their car</p></figcaption></figure>

### **Applications of FDM in Automotive**

1. **Cosmetic Repairs**:
   * **Interior Trim**: Replace cracked dashboard panels, custom cup holders, or vintage steering wheel emblems.
   * **Exterior Accents**: Print aerodynamic splitters, mirror covers, or grille inserts.
   * **Custom Accessories**: Design unique shift knobs, phone mounts, or LED light housings.
2. **Functional Components**:
   * **Jigs & Fixtures**: Alignment tools for bodywork, brake line brackets, or welding guides.
   * **Under-the-Hood**: Air intake ducts, sensor mounts, or cable management clips.
   * **Prototyping**: Test-fit parts like turbocharger housings or suspension linkages before metal fabrication.
3. **Performance Upgrades**:
   * **Lightweighting**: Replace metal brackets with carbon-fiber-reinforced prints for weight reduction.
   * **Heat Management**: Heat-resistant ducts for turbo systems or coolant line brackets.

### **Polymaker Materials for Automotive Excellence**

Polymaker’s **Fiberon™ line** delivers industrial-grade performance for demanding automotive applications, while other specialized filaments address niche needs.

### **1. Fiberon™ PPS-CF10**

* **Properties**:
  * Heat deflection temperature (**HDT**) of **250°C+** (@0.45MPa), surpassing most thermoplastics.
  * **Chemical resistance** to fuels, oils, and solvents.
  * **Metal-like stiffness** with 10% carbon fiber reinforcement.
* **Applications**:
  * Turbocharger heat shields, engine bay brackets, and exhaust manifold covers.
  * Fuel line clips and sensor housings exposed to extreme heat.

### **2. Fiberon™ PA6-CF20**

* **Properties**:
  * **HDT of 215°C** and exceptional rigidity with 20% carbon fiber.
  * **Warp-Free™ technology** for dimensional stability on open-frame printers.
* **Applications**:
  * Transmission mounts, throttle body adapters, and timing belt covers.

### **3. Fiberon™ PA612-CF15**

* **Properties**:
  * **Low moisture sensitivity** relative to PA6 nylon for humid or wet environments.
  * Balanced strength and layer adhesion for complex geometries.
* **Applications**:
  * Fluid reservoirs, windshield washer pumps, and undercarriage components[6](https://www.3djake.com/polymaker/fiberon-pa612-cf15-black).

### **4. Fiberon™ PA6-GF25**

* **Properties**:
  * **25% glass fiber** reinforcement for impact resistance.
  * **HDT of 191°C** and Warp-Free™ compatibility.
* **Applications**:
  * Bodywork plugs for molding widebody kits (e.g., Corvette fenders), bumper prototypes, and sanding jigs.

### **5. Fiberon™ PETG-ESD**

* **Properties**:
  * **Electrostatic discharge (ESD) protection** for electronics.
  * High toughness and chemical resistance.
* **Applications**:
  * ECU enclosures, battery terminal covers, and sensor housings.

### **6. PolyMax™ PC**

* **Properties**:
  * **HDT of 140°C** and UV resistance.
  * Exceptional impact strength (ISO 180/4A: 65 kJ/m²).
* **Applications**:
  * Headlight bezels, sunroof seals, and exterior trim requiring weather resistance.

### **Case Study: Widebody Kit Prototyping**

<figure><img src="/files/rv16bxlvkJhT9cB74HsT" alt=""><figcaption></figcaption></figure>

**Ivan Tampi Customs** used Polymaker’s **PA6-GF25** on a **MAKEiT2x4 printer** to produce full-scale fender plugs for Corvette widebody kits. The process:

1. **3D Scan**: Capture the vehicle’s body shape digitally.
2. **Design**: Mirror the model for symmetrical counterparts.
3. **Print**: 5-day continuous print with a 0.6mm tungsten carbide nozzle at 285–300°C.
4. **Post-Process**: Sand and use as a mold plug for carbon fiber production.

### **Why FDM and Polymaker?**

* **Speed**: Print replacement parts like door handles in hours, not weeks.
* **Cost**: A $50 spool of PA6-GF25 replaces $500+ clay modeling for body kits.
* **Customization**: Modify shift knobs or air vents to match unique designs.
* **Durability**: PPS-CF10 withstands engine bay heat better than aluminum in some cases.

### **Future of Automotive 3D Printing**

With innovations like **continuous fiber reinforcement** and **high-temperature composites**, FDM is poised to manufacture end-use parts like alternator brackets and HVAC ducts. Polymaker’s Fiberon™ line exemplifies this shift, offering materials that meet automotive OEM standards while remaining accessible to garage-based creators.

By combining FDM’s flexibility and Polymaker’s material science, the automotive industry is entering an era where every repair, upgrade, or custom part is just a print away.


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