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This intake lip is designed in particular for the Dynamax 127mm EDF. An intake lip should be used if the EDF unit is to be placed in the aircraft without intake ducting to ensure smooth airflow into the fan for maximum power and thrust.
If your particular fan is either smaller or larger, please contact me directly and I will modify and upload the appropriate sized item for printing.
Color and material choices include strong and flexible plastic in both white and black. Both are paintable using commonly available spray paint.