在打印机外部设计一个阻挡装置，用以防止耗材进入热床下面的缝隙。这个装置可以在换料时防止部分外溢的耗材进入缝隙。
使其能够更好地进入垃圾桶.

这个装置可以有效地解决耗材进入打印机缝隙的问题，提高打印机的可靠性

以下翻译来自百度网站凑合看

The following translation is from Baidu website

Design a blocking device outside the printer to prevent consumables from entering the gaps under the hot bed. This device can prevent some spilled consumables from entering the gap during material replacement.

Enable it to better enter the trash can

This device can effectively solve the problem of consumables entering the printer gap and improve the reliability of the printer