V2 connectors with TPU

[MysticalMount]

Hi, Ive printed my portal and its my first time using TPU, the shape looks ok, but when inserting say the V2_Connector_Blocker I can see there is a small gap there when inserted because the flexible plastic is slightly squeezed.

My past experience with ants, especially Lasius Niger is they are little escapees. How concerned shoudl I be about that tiny gap - and is there any print settings that might make the gap go away?

Appreciate if the project isnt active, of all the formicariums out there this one is the nicest so Ive chosen it! Wondering if pla for the blockers i a tighter fit and use V1, but stick with V2 for the tube connector. Will I have same problem then though?