I knew I thought there were more, however I was wrong. Only these two.
MFEKstroke_fails.zip
Command:
MFEKstroke --out build/FRBAmericanCursive-Guidance.ufo/glyphs/{/} --path FRBAmericanCursive-SOURCE.ufo/glyphs/{/} --pattern patterns.ufo/glyphs/arrow.glif -m repeated --sx 0.1 --sy 0.1 -s 3 --simplify true --stretch true
Pattern:
<?xml version="1.0" encoding="UTF-8"?>
<glyph name="arrow" format="2">
<advance width="1000"/>
<outline>
<contour>
<point x="0" y="0" type="line"/>
<point x="0" y="52" type="line"/>
<point x="594" y="52" type="line"/>
<point x="594" y="0" type="line"/>
</contour>
<contour>
<point x="408" y="265" type="move"/>
</contour>
<contour>
<point x="260" y="171" type="line"/>
<point x="278.5" y="189.5" type="line"/>
<point x="334" y="134" type="line"/>
<point x="278.5" y="79" type="line"/>
<point x="260" y="97" type="line"/>
<point x="284" y="121" type="line"/>
<point x="0" y="121" type="line"/>
<point x="0" y="147" type="line"/>
<point x="284" y="147" type="line"/>
</contour>
</outline>
</glyph>