Ortlieb Spacers

Bought a pair of Ortlieb Back Roller Classic Panniers and didn't think about the lack of additional spacers. The version I have is the QL1. Ortlieb sells spacers for $6, as they do all of the spare parts, but shipping doubles the cost, putting a couple pieces of plastic at $12.

The 9mm spacers fit well on a Velo Orange Campeur rack. The blend file is attached if you'd like to modify the design to exactly fit your rack.

One note though unrelated to the spacers - the vertical space between