I always liked the idea of creating a heart shape from Log cabin blocks, but I have never seen it perfectly done. It is not easy, but I managed to figure it out... the secret is in my pattern ... 
 
It gives you 
- the yardage calculation
- cutting
- piecing 
- quilt assemble
 
The pattern is illustrated with color images and easy to follow.
 
Please be sure to open the pattern with the latest version of Adobe Acrobat PDF Reader to display and print everything correctly. You can print the pattern in booklet format to save ink and paper. Templates and/or foundation papers have to be printed with “Actual size” printer settings.
 
STEPS to open and print the PDF pattern 

- download the file to your computer
- download or update Adobe Acrobat: https:/get.adobe.com/reader/
- open Adobe Acrobat
- open the pattern from Adobe /File/ Open