Plenty of space for 1/2" (12.7mm) shank router bits in a storage case that installs on the wall or can sit inside a deep drawer. I wanted a solution that was relatively inexpensive as compared to what was available commercially. As constructed, the case holds 165 bits securely.
Link to the Amazon product page for the cutting board used in this project: https://www.amazon.com/gp/product/B000UBE744/