Bosch MUM4 Blender adapter for Electrolux Assistent N8

Electrolux changed the bayonet and the rotational direction of the blender with the n21 model. Vintage blenders for the older machines are probably made from polycarbonate. I designed the blender adapter to avoid the whole polycarbonate BPA issue.

Print the holder with high perimeter count and the coupler  with high infill. The m8 thread in the coupler has currently no tolerance. You might need to slightly enlarge the threads/model or recut the threads with a tap. I printed in PETG.

I have taken the housing fit of the original N21 spare part, but adapted it to the n8 motor and the Bosch blender.