Spiral vase for 3d printing. Designed for printing with a 0.4mm nozzle with a thickness of 1 wall. When printing, you must set the option - Printing in the spiral outline mode. Also added a model for printing in normal mode with an inner wall thickness of a few millimeters The recommended layer thickness is 0.1 mm but I also printed 0.28 and it came out fine too. The file is presented in three formats, but I recommend using STL