Cutaways are best viewed large, in this case, with your nose pressed against the screen: it’s all about the details. Here’s what some iconic vehicles look like underneath. (And if you’re into this sort of thing, start with this massive thread on the Autosport forum.)
1. Porsche 935/78 "Moby Dick" by Shin Yoshikawa (pictured above)

2. Maserati Birdcage Tipo 60/61 by Makoto Ouchi

3. Aston-Martin DBR4-250 by Clarence LaTourette

4. Lotus Type 63 by Bruno Betti

5. 1963 Brabham BT3 by Gordon Bruce; Sports Car Graphic, March, 1963.

6. Porsche 906 Carrera 6 by Takashi Jufuku

7. Peugeot 205 Turbo T16 by E.T.A.I. France

8. Toyota 2000 GT by Shin Yoshikawa

9. Alfa Romeo Giulietta Sprint Spider by Clarence LaTourette

10. Lancia Delta HF Integrale Evo 1 by Giulio Betti

11. Ford GT40 Mk. IV by James Allington

12. Land Rover Series I by Giulio Betti