This isn’t a 3D Mecha, but it’s one built in Lego and not official, extremely well made and inspiring to create a mecha entirely with Lego…..he looks just like those Gundam bots.

Kotetsu Jeef, big in the 70’s and 80’s and another Go Nagai production was particularly popular in Italy, but did not make it far in North America I believe. The concept of a body turning into a head and the various flying body parts didn’t appeal…but looks nice in 3D again. This was one of my favorite childhood toys.

Designing and developing Mazinger in 3D, some great wireframes that I got from this website.