In addition to the 3D printed parts, and strings, elastics, etc. that are used in the new Raptor design, - zip-ties are used as adjustable tensioners rather than screws. - a 3/16inch steel ball is used for the ball detent, - a 3Doodler was used to reinforce the parts that split along the grain and also to hold the module together on the bottom edge by the ball detent, - 3mm filament was used for hinge pins (rather than printed pegs) and fasteners for holding the Thumb Module to the Palm.