About this 3D model

This lighting ring is designed for 18 white LEDs. To be mounted on a 2200W VFD spindle for a milling machine (80 mm overall diameter and 63 mm mounting location). With 12V power supply, group LEDs by 3 units in series wiring and use an additional 100 ohms resistor to achieve 20 mA current. Finished with hot glue gun for tightness.