Oil change tube for emergency backup generator Honda EU20i

Had to change the oil at my Honda EU20i Backup generator and did not like to dirty it completeley! At YouTube I saw some videos that you could use a tube to change the oil.
Because none of the tubes I got at home fitted I created an tube by my own.
The "tube" is completely solid filled and so I printed it at a Ultimaker with:
- 0.06mm bottom and top (top and bottom can be cut off after print)
- 0.8 wall thicknes
- 0% Infill...
- 0.1 layer hight
- 150 % speed

Just refilled the ge