The first step was propping the bones up in modeling clay. Where possible, many bones are articulated and tacked with glue to save time. I found that scratching marks into the clay base with my fingernails helped provide more points of reference when manually stitching images together. I also found that focus and lighting are important considerations.
I chose to shoot images outside after having no luck with the lighting conditions in my house. I shot as dusk approached or when I had sufficient cloud cover to produce well dispersed low-angle light. I found that the sky and relatively featureless backgrounds do not work well. It is important to have variety in the background throughout the images to provide queues for the stitching process. I used the macro feature on my point-n-shoot camera and attempted to carefully shoot at perspectives about 15 degrees apart. Each specimen was captured with between 45 and 65 images which were uploaded to Autodesk 123D Catch
. From here I deleted background objects which were preserved around the subject as meshes and exported .obj files for further editing.