What You Get
- STL files for all printable components
- Detailed instruction manual
- Wiring diagram for electronics and motor layout
- BOM ( Bill of Material )
- Parts best buy link
- Recommended printer settings
- Printing orientation guide for optimal strength and finish
Features & Use Cases
- Foldable quadcopter frame designed for portability and compact storage
- Fully 3D printed structure allows for lightweight customization and rapid prototyping
- Payload delivery system includes a parachute drop mechanism for small objects
- Compact and deployable design suitable for both lab testing and outdoor flights
- Target audience includes hobbyists, students, and drone developers working on DIY builds
- Addresses the most common design flaw in DIY drones: weak frame geometry
- Reinforce critical stress points to improve durability and flight stability
- Balance weight distribution for enhanced control and efficiency
- Optimize STL files for real-world flight performance and reliability
- Hands-on learning experience in drone mechanics, design principles, and aerodynamics
3D Printed Parts
Foldable Design
- Payload Capacity – Successfully tested with 350gm and 700gm payload using 5010 750KV motor, 12″ propeller, and 6S battery
350 gm Payload Tested
700 gm Payload Tested
- Motor Protection – Includes custom motor protectors for safe landings and impact resistance
- Strobe Lighting – Integrated strobe lights for visibility and orientation
Motor Protector
Night Strobe Lights
- Payload Drop Mechanism – Built-in parachute release system for aerial delivery
Payload Drop Mechanism
Payload Drop Mechanism in Air
- Propeller Compatibility – Supports propellers up to 13 inches
- Motor Support – Designed for 5010 750KV and 5010 360KV disc brushless motors
Compatible Propellers
Compatible Motors
Curious how it works? Catch the full video here
| Motor ×4 | 5010 750 KV Brushless motor link |
| Propeller ×2 pair | 1145 link 1147 link 1150 link 1238 link 1245 link |
| ESC ×4 | Hobbywing 60A link Hobbywing 40A link Readytosky 40A link |
| Flight Controller | Radiolink Pixhawk link CUAV 7 Nano link |
| Transmitter & Receiver | 10 Ch FS-i6S link |
| Power Distribution Board | 100A PDB link Matek PDB link |
| 6S Battery | 5000 mAh link |
| Battery Charger | Sky RC B6 Neo link Imax B6 Balance link Imax B3 Pro (2S 3S) link |
Note :-
OpenHD is a complex system and requires an experienced person to deal with. If you want a hassle-free and economic option, go for the above-mentioned analog FPV Transmission, or you can take the risk and work on the digital transmission OpenHD.
OpenHD Air Unit
| Pi Zero | Pi Zero W link |
| Camera | 5MP Pi Camera link |
| Flex Cable | Cam Flex Cable link |
| Switch | Rocker Switch link |
| Buck Converter ×2 | LM 2596 link |
| USB Connector | Female USB link |
| SD Card | 32GB Micro SD link |
OpenHD Ground Unit
| Raspberry Pi | Pi 4 (4GB) link |
| Display | 7” Wave Share link |
| BMS | 2S 20A link |
| Buck Converter | LM 2596 link |
| Battery Cell ×2 | 18650 Rechargeable link |
| Cell Holder | 2 Cell Case link |
| Switch | Rocker Switch link |
| Antenna ×2 | AC1300 T3U Plus link |
| 3D Printer | 220×220×250 mm build volume |
| Nuts and Bolts | M2.5, M3 size of various lengths |
| Accessories | Cable zip tie, heat shrink tube, soldering iron |
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