These 3D scans were kindly produced by students from the Glasgow School of Art. They are large pdf files about 20M. They need to be opened in Acrobat Reader and do not work with Mac Safari or Mac Preview. If you have a Mac computer, download the files first then open them in Acrobat Reader.
https://grangeassociation.org/wp-content/uploads/2021/08/Wyvern108.pdf
https://grangeassociation.org/wp-content/uploads/2021/08/Wyvern130.pdf