Walkie Talkie Building (20 Fenchurch Street)
Location: London, England
Built: 2014
Height: 525ft/160m
Floors: 37

6.25" Model Dimensions (1:1000 scale)-
Height: 6.25in/15.9cm
Length: 2in/5.1cm
Width: 2in/5.1cm

8.25" Model Dimensions (1:750 scale)-
Height: 8.25in/21.0cm
Length: 2.5in/6.4cm
Width: 2.5in/6.4cm

12.5" Model Dimensions (1:500 scale)-
Height: 12.5in/31.8cm
Length: 4in/10.2cm
Width: 3.75in/9.5cm

Summary of Model Scales:
6.25in (0ft 6.3in)/15.9cm: (1:1000 scale)
8.25in (0ft 8.3in)/21.0cm: (1:750 scale)
12.5in (1ft 0.5in)/31.8cm: (1:500 scale)

The pictures shown are of the 6.25 inch model.

The second picture shows the 6.25in, 8.25in, and 12.5in models.

Unedited 3D model credit-
https://www.printables.com/model/413919-skyscrapers-of-london-uk/files