Mecha robots: big and small! :D

- Jeeg superdeformed and posable! 

[source]

- Getter robot (1, 2 and 3)

[source]

- SD Grandizer [source]


Paper toys:

- Goldrake (aka Grendizer, aka Goldorak) 

- Another version of Goldrake, this time with spacer [source]:

- mini mazinger [source]

- Generic (but really cool) paper-robot [source]:

- and for these kinds of paper toys, this site looks really nice: http://paperkraft.blogspot.com/

3D models:

- Go Nagai spaceships [source]