the islero was designed by mario marazzi, who was working for carrozzeria marazzi at the time. carrozzeria marazzi was chosen because it was founded by carlo marazzi, a former employee of the now-bankrupt carrozzeria touring. carrozzeria touring had previously produced bodies for the 350 gt and 400 gt.&lt;ref name="qv500.com/lamborghiniislerop1"&gt;&lt;/ref&gt;