Phone-Photogrammetry Turntable
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Compact 3D-printed turntable for phone photogrammetry (without tripod). 28BYJ-48 + ULN2003, 20T:60T (3:1). M3 hardware.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Electronics
- Licencja
- Creative Commons — Public Domain
A small, easy-to-print rotating turntable for object scanning with a phone on a tripod (photogrammetry).
The platform is driven by a 28BYJ-48 5V stepper motor via a ULN2003 driver and a simple spur gear transmission (20T pinion → 60T gear, 3:1) for smoother motion.
Code used in this project can be found here: https://github.com/von-development/phone-photogrammetry-turntable
Features
1-DOF rotation around a central post
Integrated 60T gear + turntable disk (one piece)
Motor mount with slots for gear mesh adjustment
Nut pockets for easy assembly
Parts included
Base
Turntable + 60T gear (one piece)
20T pinion
Hardware needed
28BYJ-48 5V stepper motor
ULN2003 driver board
ESP32 (optional) or any stepper sequence source
2× M3 screws (25 mm) + 2× M3 hex nuts (base fastening)
M3 screws + M3 nuts (small set)
Printing
PLA works well
0.4 mm nozzle, ~0.2 mm layer height
Base: 60% infill (recommended for stiffness)
No supports needed (printer-dependent)
Adjust motor position to tune backlash vs friction