2. Hard-pen calligraphy is stamped after writing, and hard-pen calligraphy without seal is incomplete from the perspective of the layout of the rules.
The next best method is to draw a seal by hand.
Most seals are printed with seal script. You can consult the online calligraphy dictionary online, input the characters to be engraved, and choose a seal cutting. Based on this, design your seal effect, and the printed surface is smaller than your signature.