Pipe clamps for various hydroponics pipe diameters/styles, to support trellises, mounting of fans, sensors, other equipment.  Printed in PLA, 30% infill so it's solid, but bendable around the pipe.  Shown with Eleegoo Black Matte PLA, printed on a Bambu Labs P1S, all default settings (0.2mm layer height, 200mm/s etc)