Available as an assembled Module and as a DIY project.
This Module is currently available.
Patch panel for Moog Grandmother backpanel connection
This product is similar to the Matriarch 1U B2F and 3U B2F modules (https://www.gearnews.com/voltage-vibes-matriarch-back-2-front-panel-brings-better-access-to-connections), but for the Moog Grandmother.
https://voltagevibes.com/product/grandmother-back2front-3u-edition/