Flying boat · printed airframe
Tern 1100
A 1.1 m seaplane with 19 printed airframe pieces, a high-mounted tractor motor, side floats and printed wing joiners. Three-channel control with the Spektrum NX8; no carbon tubes.
R2 print-and-fit prototype — physical build and flight testing pending.
Free digital files · Name and email required
Actual printable CAD with schematic purchased hardware. Printed airframe only; electronics, propeller, linkages, tape, fasteners and sealant remain necessary.
Two HS-55 servos operate elevator and rudder.
- Wingspan
- 1,100 mm / 43.3 in
- Printed assembly
- 19 parts
- Main build plates
- 8
- Structure
- Printed; no carbon tubes
- Controls
- Throttle, elevator, rudder
- Radio
- NX8 + AR631+
Inside the download
19 installed STL parts, eight arranged geometry-only H2D plates, eight optional fit samples on three plates, build instructions, equipment checklist and an offline 3D viewer.
Before printing
Print-and-fit prototype. Sealing, structural, power, water and flight tests pending.
Supports are off by design; supplied orientations include short bridges. Inspect the slicer preview and print the fit samples. Seal and leak-test the hull before water use.
