From the update:
Acheson Creations announces the next in their line of
Sci Fi Products – the 14 piece Braced Concrete Wall Compound Set, priced at $25.00USD.
The structure as shown in the photo has a 27.2cm (10 3/4 inches) by 37.5cm (15 inches) inside diameter. Each straight piece is 10cm (4 inches) long and 4.2cm (1 5/8 inch) high.
"A great set for modern or futuristic settings"
Acheson Creations have reduced shipping charges for the non-US-based
customers. Order more than $200USD and shipping is free. Save up to
$50USD in shipping charges.