适配75mm长度的棉签

Suitable for cotton swabs with a length of 75mm

本人家境贫寒，家里没有更多色彩的耗材，使用红色和黄色的耗材打印效果更佳

I come from a poor family and do not have more colorful consumables at home. The printing effect is better if I use red and yellow consumables.