Hand-drawn graduation thesis defense icon material

Hand-painted graduation thesis answer icon material, using realistic hand-painted style, matte PPT background, white hand-painted lines, gathered together the icon materials commonly used in the paper, including: hand-painted mother, hand-painted numbers, hand-painted textbooks, hand-painted desks, hand-painted Documents, hand-painted stationery, hand-painted maps, hand-painted chemical elements, hand-painted chemical equations, hand-drawn mathematical formulas, hand-painted daily necessities, etc.