Summary

Here is a tiny version of the Psyche Spacecraft, roughly eight inches across, including both solar-panel wings.

Print two copies of the solar panel image to cut out and glue onto the solar-panel wings, then insert the wings through the body and glue. They will probably be too tight a fit to allow rotation. Apply silver ink or aluminum foil to the High-Gain Antenna dome. Visit the larger-scale Psyche Spacecraft for reference: https://www.thingiverse.com/thing:5570066