The Raptor Reloaded is an updated release of the original that incorporates feedback from the e-NABLE community and has CAD design source files available in STEP, IGES, IPT, and F3D formats.
Updates in the 12-17-14 release include:
Download the latest Raptor Reloaded parts form Thingiverse. The files are ready to print as is and do not require additional support material as custom removable support structures have already been modeled into the palm and gauntlet files. If you do wish to print without the included support, files without support are also available on the Thingiverse page.
There are two main options for sizing the Raptor Reloaded:
Linear Scaling (easy)
The main measurement used in sizing the Raptor Reloaded is the width of the recipient's complete hand at the knuckles. At 100% scale, the palm of the Raptor Reloaded measures 55mm at its widest point. To get the appropriate linear scaling factor for scaling the STLs, add 5mm (to account for the thickness of padding in the printed palm) to the width of the recipient's complete hand at its widest point. Divide this number by 55 to get the scaling factor for the STLs. For example, if the palm is 65mm wide, then 65 + 5 = 70, and 70 / 55 = 1.27, so the scaling multiplier would be 1.27 or 127%. Make sure to apply the scaling factor to all of the parts to ensure that they fit together. At higher scales, the clearances between the moving parts of the hand will grow, so glue or other modifications may be necessary to ensure that all the pieces stay secured to each other.
Parametric (more involved):
Because radial and lateral clearances for motion assemblies are absolute, linear scaling can cause problems at large scales. For those with some CAD experience, the native Fusion 360 source files as well as STEP and IGES files are available here. Detailed technical drawings can be found on the github. For an introduction to modeling in Fusion 360, see the Getting Started in Fusion 360 page on enablingthefuture.org.
Recommended Printing Settings:
The Raptor Reloaded requires some additional hardware to assemble, most of which can be sourced from the Hardware Sources page on the e-NABLE website.