This is a model I made based on some express delivery boxes

 

 

It is recommended to use PETG for printing

 

 

 

Other sizes are still being made and will be launched one after another

 

 

 

 

 

 

 

 

 

 

If you have a detachable nozzle, you can take a look at my modelhttps://makerworld.com.cn/zh/models/1708350-a1xi-lie-ke-chai-xie-re-duan-pen-zui-he#profileId-1880428

 

Please support me