DIY handmade rubber stamp bookplate with pattern of a little girl who loves learning. Use a pencil to trace the pattern on sulfuric acid paper and transfer it to the eraser; then use a corner knife to carve out the circular outline, and use a round knife to cut off the unnecessary parts; finally use a carving knife to carve out the pattern, during which time you use a corner knife or a round knife to cut out the pattern. Cut off unnecessary parts.