Modification of parametric spanner, with added library of common metric and imperial nuts, rotation of open end, and more obvious parametric control.
Created as part of the L3999 Fall 2017 course offered by Joshua Pearce at Aalto University.
original file: https://www.thingiverse.com/thing:9704
Technical
PLA, using Lulzbot Mini provided by Aalto FabLab. ( http://fablab.aalto.fi )
30% infill used in prototype, less infill could be better for a more robust tool.