You can knit as tight or sparse you like In the video I use : 28 gauge ( wire diameter 0.3mm ) : 30cm( 12 inch) Heart shaped stone 1.8cm Don't be discouraged if you don't succeed the first time.

The fundamental principle behind this process is replacing point-to-point jumper wires with custom cables, made using 0.1″ pitch headers and wire-wrapping techniques. Other techniques include ...