A relatively simply print. If you can print Lucky 13, then FIDO should be easy.
Use the same print settings as Lucky 13 – 0.15 layers, no brim or supports, and a 0.15mm elephant foot adjustment. PETG is best. Should take an hour or two to print.

Link to Lucky 13 - https://www.printables.com/model/148367-lucky-13-printable-jointed-figure

Easy to build. Just follow the assembly pictures