I am very interested in Archivar scanner! I tried to find a carpenter who would make the plywood parts for me, but I have not found in Finland. And it seems that Lithuania is no longer doing the Archivist ... It's great that you started this job!
Daniel Reetz, the founder of the DIY Book Scanner community, has recently started making videos of prototyping and shop tips. If you are tinkering with a book scanner (or any other project) in your home shop, these tips will come in handy. https://www.youtube.com/channel/UCn0gq8 ... g_8K1nfInQ