I guess there was no physical model from AOTC:
Unlike the models used for The Empire Strikes Back, most of the ship would be created digitally for Attack of the Clones. With the original model of the Slave I on display in the Smithsonian in Washington, the computer modelers from ILM relied on photographic reference. For the few reaction shots that we saw of Jango and Boba flying the ship, the crew again built an actual cockpit based on the concept art of Kurt Kaufman, but this time with more details than the original. The Kamino landing platform was built on stage for the fight scene, and the Slave I was later digitally added. It can be assumed that they used green boxes to create a ramp for Temuera Morrison to walk on when he boarded the ship after the fight scene. This set would also be used for the arrival of Obi-Wan, with a Jedi starfighter prop added to the background.