The Tobiashammer is a large, water-driven hammer mill in Ohrdruf in the German state of Thuringia.
The mill made iron products such as scythes, sickles, ploughshares, lances and swords.
Later, it also carried out copper processing; washbowls, washtubs, kettle drums, brewing implements, pots, cans and pans were made.
The kettle drums, which were produced into the late 20th century, were made from a single piece of copper, forged under the tilt hammer and still set a standard today in terms of their sound.
Many still grace the outer areas of the museum site as part of its sculpture park, such as the gigantic, forged water lily by Alfred Habermann and Das Gesicht by Rüdiger Roehl.