Project: Five-Star Hotel Kameha Grand 
For the atrium of the new hotel building and for the traffic circle in Bonn, ACCENTform produced, supplied and coated 14 different sized fibreglass boulders of 1000 mm (3.3 ft), 1500 mm (5 ft) and 2500 mm (8.2 ft) in diameter. The fibreglass boulders have polystyrene – rigid foam core that, due to the fibreglass 5 mm (0.2 in) thick coating, is weather resistant.
The designer Marcel Wanders (moooi) from Amsterdam, developed the exclusive design of fibreglass boulders. They were carried out, according to for the Five-Star Hotel Kameha Grand typical flower design.
