The palette

Quartz bricks for the ashlar walls, smooth quartz for every moulding, archivolt and cornice, chiseled quartz for keystones, capitals and reliefs, quartz stairs for the capitals' flares; yellow terracotta for the giallo antico column shafts; purple terracotta as porphyry behind the round reliefs; polished andesite for the platform and the sunk relief grounds, smooth stone for its joints; calcite for the inscription panel with copper trapdoors as bronze letters; white and light gray terracotta for the captives; oxidized copper, cut copper, stairs, grates and lightning rods for the quadriga, gold for the emperor's crown and the coffers' rosettes.

Techniques

• Round arches to half a block
• Great columns three blocks across
• Entablature breaking forward
• Sunk reliefs
• Coffered vault

The steps

1. Stepped platform of grey stone
2. Piers and the three passages
3. Socle and the pedestals with their Victories
4. The great arch and its coffered vault
5. The side arches
6. Columns of yellow marble
7. Frieze of figures and the tondi on porphyry
8. Winged Victories in the spandrels
9. Entablature breaking forward over the columns
10. Attic storey
11. Inscription in bronze letters
12. Reliefs of the attic
13. Statues of captives on the columns
14. Pedestal of the quadriga
15. Bronze quadriga: the four horses
16. The chariot and the emperor

How each technique is done and every step explained, in 3D: Learn (members).

Learn it in 3D, step by step