Three models, three very different animals, three methods:   Anomalocaris, sculpted in fimo according to fossil drawings, 6 cm long Hesperornis, digitally distorted from a recent bird skeleton and Tyrannosaurus skull, 3d printed, 9cm long. Hydrodamalis, skull digitally distorted from a dog skull, postcranial plywood and putty like my whales, 38 cm.   Aloha   J