Funnel for Miele DOS laundry bottle to transfer leftover liquid

Used to transfer that annoying last little bit of the used laundry DOS bottle into the new one.
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updated November 6, 2023

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So this is a potentially over-engineered solution to a problem not many people have but here goes…

If you have a modern Miele washing machine that uses the DOS washing liquid bottle system, then you are probably as frustrated as we are when the bottle “runs out” but there is still fluid in it. There is this annoying small amount that seems such a waste.

We have been trying to transfer to the new bottle with a bunch of different messy attempts until I decided to have a go designing a custom funnel.

This is iteration one. It works better than our skewer alone but could probably do with another few iterations.

If anyone actually finds this useful, please let me know!

 

Assembly tips:

  • Print with the small end down so you don't need supports. I used a brim to be safe.
  • I used a skewer (~3mm diameter) as the insert to poke the small spring loaded valves in each bottle.
  • The skewer needs to be about 75mm in length so that about 25mm sticks out of each end.

Possible improvements?

  • I could make is fit a bit tighter in one end or both. It is a bit tricky to push both bottle together. The springs in each valve are quite strong.

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