▁Also ▁attributed ▁to ▁him ▁are ▁two ▁stat ues ▁of ▁Justice ▁and ▁Tem per ance ▁in ▁C rem ona , ▁and ▁relief s ▁in ▁the ▁National ▁Anti qu ity ▁Museum ▁of ▁Par ma . ▁In ▁ 1 4 8 5 ▁he ▁collabor ated ▁with ▁his ▁brother - in - law ▁Pietro ▁Antonio ▁Sol ari ▁in ▁the ▁O sp ed ale ▁Mag giore ▁of ▁Milan , ▁a ▁project ▁of ▁which ▁he ▁was ▁made ▁director ▁ten ▁years ▁later . ▁ ▁Ama de o ▁was ▁then ▁active ▁in ▁the ▁decor ation ▁of ▁the ▁Milan ▁C athedral . ▁He ▁collabor ated ▁with ▁Don ato ▁Br am ante ▁on ▁the ▁fac ade ▁of ▁Santa ▁Maria ▁presso ▁San ▁S ati ro ▁in ▁Milan . ▁In ▁ 1 4 8 8 ▁Ama de o ▁was ▁commission ed ▁by ▁Card inal ▁As can io ▁S for za , ▁to ▁become ▁director ▁of ▁works ▁of ▁the ▁new ▁P avia ▁C athedral , ▁again ▁with ▁Br am ante ▁having ▁a ▁minor ▁role . ▁In ▁ 1 4 8 9 , ▁he ▁helped ▁design ▁and ▁build ▁the ▁Ar ca ▁di ▁San ▁Lan fran co ▁for ▁the ▁church ▁of ▁that ▁name ▁in ▁P avia . ▁In ▁this ▁period ▁he ▁worked ▁also ▁as ▁Du cal ▁engineer ▁for ▁Lud ov ico ▁il ▁Mor o , ▁design ing ▁fort ifications ▁at ▁Ch ia ven na ▁and ▁Pi att am ale , ▁as ▁well ▁as ▁repair ing ▁of ▁roads ▁and ▁brid ges ▁in ▁V alt ell ina ▁and ▁( in ▁the ▁ 1 6 th ▁century ) ▁hyd ra ul