Parametric Ruler for Capricorn PTFE tube cutter

A ruler for the Capricorn PTFE tube cutter to easily cut pieces to a specific length. The dimensions of the ruler can be adjusted in the provided FreeCAD file (spreadsheet "Param"). A 65mm example ruler is included as STL file. The actual range is from around 15mm to 50mm. A cutting tolerance of around ±0.5mm can be archived with this. The marker for the ruler can be set in 1mm steps.
The STL files are given in the recommended print orientation.

Printing:
Line Width: 0.48mm
Initial Layer Horizontal Expansion: 0.0 mm
Try to minimize elephant foots for the first layer by adjusting the flow rate or z-offset. A proper line width for the first layer is needed to allow the marker to snap-in properly.