Organizer for Bosch L-Boxx 120. You can modify the part directly on your slicer to create compartment for your specific tools and accessories.

I also left mine for 2 GSB 120.

This is the onshape link, you can copy the project and modify it for different L-Boxx sizes.
https://cad.onshape.com/documents/e26b9b7462bf5ffd0ec8f3c6/w/84eafc0b10922ba985ec1ace/e/3bf985d166354dfc3d32cf78?renderMode=0&uiState=663cf2dc22971f349c38c8e0