DeltaTower Extruder Spacer

When I tried to print Dutch Flex45 Filament I discovered that between the extruder push-wheel and the bowden entrance was a 5mm gap, This was too much for the material, it ended up "crawling" out of there instead of entering the bowden (yes, it is that flexible).
So I quickly designed a spacer that covers this gap and guides the filament into the bowden correctly.
It needs to be placed manually every time the extruder is closed, so do not expect a lot of comfort (but you may be able to glue it in place, or something).