Parametric spanners

Description

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: https://www.thingiverse.com/thing:9704
see also: https://www.youmagine.com/designs/parametric-spanner

Images
Steps
Step 1

Generate file

Using OpenSCAD