Introduction
A well-designed camera mount does more than just hold your FPV camera — it isolates vibrations that cause jello, protects your expensive camera in crashes, and lets you dial in the perfect camera angle for your flying style. With a 3D printer and some TPU filament, you can create custom mounts that outperform anything available off the shelf.
Why TPU is the Only Choice for Camera Mounts
Camera mounts face two primary challenges: vibration isolation and impact protection. TPU solves both. The flexible nature of TPU absorbs high-frequency motor vibrations before they reach the camera sensor, eliminating the jello effect that ruins HD footage. In a crash, TPU deforms and rebounds, dissipating impact energy that would otherwise transfer directly to your camera. PLA mounts shatter on impact; TPU mounts survive dozens of crashes.
For printing, use 95A shore hardness TPU at 230C nozzle temperature, 40C bed, 25mm/s speed, and zero part cooling for maximum layer adhesion. Print with 3-4 perimeters and 20% gyroid infill.
Design Considerations
Adjustable camera angle: Design your mount with a range of 15 to 45 degrees. Freestyle pilots typically fly at 20-30 degrees, while racers push 40-45 degrees. Include M3 screws with captured nuts for angle adjustment.
Vibration isolation: The mount should have minimal hard contact with the frame. Design in flexible standoffs or rubber grommet mounting points. The fewer rigid connections between camera and frame, the less vibration reaches the sensor.
Lens protection: Add a hood or extended cage around the lens. A direct hit to the lens can destroy a camera instantly. Even a 3mm TPU hood absorbs enough energy to save the lens in most crashes.
Easy access: Design the mount so you can remove the camera without disassembling the entire drone. Tool-free or single-screw designs save time during repairs.
Camera Size Standards
FPV cameras come in three primary form factors. Micro cameras (19mm width) like the Caddx Ant and Runcam Nano 4 fit tiny whoops and micro quads. Mini cameras (21mm) such as the Caddx Ratel 2 and Foxeer Razer are standard on 3-4 inch builds. Full-size cameras (28mm) including the DJI O3 Air Unit, Walksnail Avatar HD, and Runcam Phoenix 2 dominate the 5-inch market.
When designing a mount, always dimension from the actual camera specifications. Download the CAD model or technical drawing from the manufacturer website before starting your design.
Modular Mount Systems
Rather than designing a single monolithic mount, consider a two-part modular system: a fixed base plate that bolts to the frame, and interchangeable camera cages that snap or screw onto the base. This approach lets you swap between analog and digital cameras by printing only the cage portion. Modular designs also make angle adjustment easier.
Testing and Iteration
Your first design will not be perfect. Print it, mount it, and fly aggressively. Watch for vibration-induced jello in your DVR footage. After a few crashes, inspect for stress marks or tearing. Each iteration improves the design. Share your successful designs on Thingiverse or Printables — the FPV community is incredibly collaborative.
Conclusion
3D printed TPU camera mounts are one of the highest-value upgrades you can make. They cost pennies in filament, protect expensive hardware, and can be customized endlessly. Once you start designing your own mounts, you will never go back to stock brackets.