November 26, 2025
Description
A 3D printed clinostat designed for microgravity simulation. This unit uses a slip ring mechanism to allow for continuous, tangle-free rotation.
Bill of Materials (BOM)
Electronics
Controller: Arduino Uno
Motor: Nema 17 Stepper Motor
Driver: A4988 Stepper Driver module
Display: SSD1306 OLED Screen (0.96")
Input: Rotary Encoder (with push button)
Connectivity: 22mm Slip Ring (6 Channel)
Power: 12V DC Power Supply
Hardware
Fasteners: M3 Screws (various lengths)
Inserts: M3 Heat-set Threaded Inserts (standard brass)
Print Settings
Printer: Bambu Lab X1C
Material: PLA
Infill: 20% (Grid or Gyroid recommended for structural rigidity)
Supports: [Required/Not Required - Select one]
Layer Height: 0.2mm recommended
Wiring: The 6-channel slip ring is essential for passing power and signal through the rotating axis to the sample holder.
Code: The Arduino sketch controls speed and direction via the A4988 driver, with the menu system displayed on the OLED.
License:
Creative Commons — Attribution — Noncommercial
niv hodt
