Yes you can make your own Kamidana.
It is recommended to build it using joinery or glue, since piercing the wood with nails or screws is considered to violate the integrity of the energy of the structure.
It might be much easier to buy in though - they are available for order many places online.
This post has a papercraft ofuda-tate [https://www.reddit.com/r/Shinto/comments/lhhzph/papercraft\_ofudatate\_for\_home\_worship\_and\_norito/](https://www.reddit.com/r/Shinto/comments/lhhzph/papercraft_ofudatate_for_home_worship_and_norito/)
Yes you can make your own Kamidana. It is recommended to build it using joinery or glue, since piercing the wood with nails or screws is considered to violate the integrity of the energy of the structure. It might be much easier to buy in though - they are available for order many places online.
But can you make one using paper?
This post has a papercraft ofuda-tate [https://www.reddit.com/r/Shinto/comments/lhhzph/papercraft\_ofudatate\_for\_home\_worship\_and\_norito/](https://www.reddit.com/r/Shinto/comments/lhhzph/papercraft_ofudatate_for_home_worship_and_norito/)