Although my own A1 printed successfully, it is still recommended to print with Core-XY architecture 3D printers such as P1S, X1C, and H2D. When i3 architecture 3D printers like A1 print the upper part, shaking can occur, leading to reduced quality and a higher probability of failure. This model can also be used as a print test, featuring a 72mm bridging distance and a vertical 200mm high inclined spiral structure, simultaneously testing the 3D printer's ground stability, bridging effect, overhang effect, and vertical stability

A 200mm tall pen holder, suitable for pens that need to be placed horizontally, such as my acrylic marker pens. It also serves as a desktop decorative ornament. The pen slot opening has a diameter of 14mm