As the Hlidskjalf is a mythical and spiritual concept, there are no specific plans or designs for building a physical version of this device. In Norse mythology and Norse paganism, the Hlidskjalf is often depicted as a throne or seat of power, upon which the gods sit and observe the nine realms.

However, some individuals who are interested in exploring the concept of the Hlidskjalf may choose to create their own versions of this device, either as a physical object or as a mental or energetic construct. For example, one could create a physical representation of the Hlidskjalf as a throne or chair, using materials such as wood, stone, or metal. This throne could be decorated with symbols and designs related to Norse mythology, such as the runes, the hammer of Thor, or the tree of Yggdrasil.

Alternatively, one could create a mental or energetic version of the Hlidskjalf, using visualization and meditation techniques. This could involve imagining or visualizing a throne or seat of power, and using the runes or other symbols to activate and control this device. Through focused intention and visualization, one could then use the Hlidskjalf to travel through time and space, access higher dimensions, and connect with the divine forces of the universe.

Overall, the design and plans for building a Hlidskjalf will depend on the individual’s personal beliefs, practices, and experiences, and may vary widely from person to person. It is important to approach this process with an open mind and a willingness to experiment and explore, in order to discover what works best for you.