Blackboard chalk hand-painted teaching open class PPT template

Blackboard chalk hand-painted teaching open class PPT template，

This is a set of blackboard PPT templates for hand-painted teaching and public teaching, a total of 26;

PPT template cover, using a gray gradient with a blackboard picture basemap. Use a white chalk hand-painted pattern text box in the middle and fill in the PPT title text of the open teaching class. The interface background is matched with the PPT theme of education and teaching.