Antenna that adjusts its shape based on temperature is made using 3D-printing shape memory nitinol alloys

https://www.spacedaily.com/reports/Shape_memory_alloy_antenna_redefines_communication_technology_999.html

"change shape at varying temperatures, returning to original when heated... dynamically adapts to different RF bands replacing multiple static antennas... improved spectrum flexibility, enhanced adaptability, switches between short/ long-range... antenna morphs from flat spiral disk to cone spiral when heated by power line has to handle a lot of current... reduced processing times, scalable... missions requiring low-size/ weight RF adaptability: mobile networks, space exploration, military, scientific, commercial communications"