The heart shape was a happy accident which came from using a thinner
strip at just one part of a row two or three from the final row.
You can see it in the files "shower curtain hot pad.jpg, or at
http://toothbrush-rugs.googlegroups.com/web/shower%20curtain%20hot%20pad.jpg?gda=wykof0sAAAD_gVoI7ZcCNiom0gNs2YuO7U_gDFMRAh2togQTYB-af2G1qiJ7UbTIup-M2XPURDQDJqb4W2p5dllLmM_Lz0EBuDSRHcPqIcLiRdtDPegamg