Did bonanno pisano design anything other than the leaning tower of Pisa?

Yes, Bonanno Pisano is believed to have designed several other notable structures in addition to the Leaning Tower of Pisa. He is often associated with the creation of the Pisa Baptistery, which features a similar Romanesque architectural style. Some sources also credit him with contributions to the Cathedral of Pisa, although his exact role in its design is less clearly documented. His work reflects the artistic and architectural innovations of the 12th century in Italy.