Parallel line ruler
by prototype-integral
1 / 5
Printable files (2)
Description
Summary
This is a ruler meant for drawing Parallel lines, useful to estimate Linear Correlation coefficient
Instructions
- Print two rulers and two links
- Place both rulers facing inwards
- Place links on nubs
- Hold down one ruler and move second one to desired position
Known Issues
- Measurement markers may be too small to print effectively on FDM printer
- Only accurate enough for rough estimates