Generate a perfectly fitted, 3D-printable case for your Generic MPU6050 Breakout Module (GY-521). Verified 20.3x15.6mm base dimensions with Small module (20.
IMU draws ~3.5mA — trivial thermal load. Critical concern is NOT ventilation but mount rigidity: the MPU6050 measures the chassis's acceleration and rotation, so compliant (flexible) mounts couple their own resonance into the signal.
Stiffness matters more than thermal properties. PETG provides rigid mounting for typical hobby use. PC and Nylon offer superior stiffness and creep resistance for precision instrumentation (robotics, drone flight controllers). ABS balances rigidity with ease of printing. PLA is adequate for static tilt measurement but creeps under sustained vibration.
Mount RIGIDLY to the chassis — compliant standoffs couple their own resonance into the IMU signal, biasing orientation estimates.
Board orientation IS the measurement frame — silkscreen axes must align with the chassis reference frame before enclosure is printed.
Keep away from magnetic interference sources (motors, speakers) — while the MPU6050 lacks magnetometer, the gyro can drift near strong DC fields.
The IC is sensitive to solvent cleaning — do not acetone-smooth the enclosure near the populated PCB.
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Mechanical properties are estimates. Validate critical loads before use.