Soft copper wire 18 gauge ( wire diameter 1mm ) : 35cm ( about 14 inch) 26 gauge ( wire diameter 0.4mm ) : 2 strands, each 70cm ( about 27 inch) ...

Grab these free teacher appreciation SVG cut files and make something personal for the ones who spend their days wrangling ...

Finally, there is a smoothed "rainbow" scheme. It is often better to use a limited range of these colors. Variants are already defined to that end. If the lowest data value occurs often, start at ...