It can be used as a long rectangular bottle for storing pens and coins; the bottle body has three layers on the outer wall of the 0.4 nozzle, four layers at the bottom, and no layers at the top. It is filled with 0 material and can be printed directly without support; the lid has two layers on the inside and outside, three layers at the bottom, and is filled with 20-25% material. It can be printed directly without support; before printing, ensure that the printer's dimensional deviation does not exceed 0.2mm. If the dimensional deviation is too large, set the