Here is a project demonstrating Roberval Balance Scales, by Brendon Collecutt (Cantareus), using the [STEMFIE construction set](http://stemfie.org).
— #Stemfie3DCommunityProject —
**Sources:**
- https://www.prusaprinters.org/prints/137218-stemfie-roberval-balance-scales
- https://www.thingiverse.com/thing:5256581
- https://thangs.com/Cantareus/STEMFIE%2520Roberval%2520Balance%2520Scales-52021