Overview
Prolonging the lifetime of the build plate is to use a sharp scraper for releasing the model from the printing surface. After the plate has cooled down, gently slide the scraper underneath one of the corners of the model then carefully bend the sheet to remove the model.
How to print your Scraper grip?
Bambu Lab 3D printer comes with scraper models. Print 'Scraper grip' from the built-in files! Here is the STL Model！
link to product page at bambilab store 
 
1pcs in the package !