Isn’t it strange how things happen? I had already taken the photograph for this post, which as you see contains a modern inkwell. The majority of my collection is as you have started to see vintage / antique. Then I had a customer enquire if we sold any inkwells into which ink could be decanted.
We have the Campo Marzio ones as pictured here that are sold as part of a blotter or quill set but have never come across any other more modern/new inkwells. An internet search yields very little also. Perhaps we’ll have to design and manufacture our own!