My bad, @sheila5
The source files have now been updated.
But here is a direct link to the updated arm schematics for your convenience
https://www.dropbox.com/scl/fi/phbwvm46i0hp02ihnk3sz/arm-rig-schematics_v03.zip?rlkey=bb8kq1kxartshwsrzfqr886z2&dl=1
