Tinkering

Tinkering is done at the Tinker's Workshop.

This is where characters specialising in the Tinkering Mastery craft most gadgets and some miscellaneous items for other professions.

Source
The Tinker's Workshop is crafted at the Drawingtable by characters with level 10 Carpenter.

Construction Costs:

Recipes
Tinker's Workshop is used to craft the following: