Quick first-level testing

一个快速的 8 x 8 cm / 4.5-5.5cm 点阵，带有 21x21cm 线（1mm 宽），用于重要打印前的首层测试。另附 21x21cm 全平台测试。仅打印一层，层高 0.2mm。 Gcode 不包含校准，因此在打印此模型前你可能需要先进行校准。（如果需要的话 :))）A quick 8 x 8 cm / 4.5-5.5cm dot matrix with 21x21cm lines (1mm wide) for important first layer testing before printing. Also attached is 21x21cm full platform test. Only one layer is printed, with a layer height of 0.2mm. Gcode does not include calibration, so you may need to calibrate it before printing this model. (if needed :)))