ac generator 3d model

Create a highly accurate 3D engineering model of an AC generator (alternating current dynamo) with correct physical and mechanical construction, realistic proportions, and no engineering or physics errors. The model should include: * Two permanent magnets facing each other with clearly defined North and South poles. * A single rectangular copper wire coil placed exactly between the magnetic poles. * The coil mounted on a horizontal rotating shaft. * The coil must be CLOSED electrically (continuous loop) because this is an AC generator. * Each end of the coil connected to a separate smooth slip ring mounted on the rotating shaft. * Two stationary carbon brushes touching the slip rings from the outside. * Bearings and support structure holding the rotating shaft. * Realistic metallic materials: * copper wire * steel shaft * carbon brushes * iron supports * painted magnets * Clean educational mechanical design similar to real laboratory physics equipment. * Proper spacing bet