Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download Office Setting & Furniture Bundle Free.
Office Setting Furniture Bundle v1.0
Create your own office level with our Office Assets Set, which is optimized for mobile applications due to it being modeled in Low Polygon mesh. This package also contains usual items and furniture typically find in an office setting.
Included are 3 stock layout offices (Large, Medium and Small) as well as the non arranged assets so designers can create or reproduce their own office settings.
The assets are arranged in logical groups (such as computer items) which have their own associated unique and original textures.
a) UV group 1
-Cubicles (both standard, and L-shaped)
b) UV group 2
-Monitor CPU keyboard
c) UV group 3
-Conference room table
d) UV group 4
-Refrigerator / Freezer
e) UV group 5
-Meeting room chair
-Executive office chair (Visitor’s)
-Executive office chair
f) UV group 6
-Door: wooden, red
-Emergency exit door
-Tiled ceiling **
g) UV group 7
-Reception picture frame
-Paper towel dispenser
* Has glass parts that are parented via the main object (e.g. glass door and frame) that are assigned with a texture which has a transparency value).
** These parts have other interchangeable variations that can connect with each other to form a different arrangement.
Assets such as walls, carpet, and ceiling tiles have their default pivot on the lower right of the geometry. In order to seamlessly connect them with each other, please follow the steps in the READ_ME.txt (via Unity) to snap selected geometry to vertex point of another asset in the scene.