These 3D-printable nozzle adapters for the Bosch GAS12V handheld vacuum cleaner simplify vacuuming in a variety of situations.
Included are the following adapters:
https://nerdiy.de/en/product-2/bosch-gas12v-adapter-set-3d-druckbar-stl-dateien/
The author marked this model as their own original creation.