Repair a hole in White UPVC Door

[ihatealldiy]

Hi
Can I have help to possibly repair a defect in the White UPVC Door to the dining room. My kid flinging a toy car has made a hole in the door. It would be fantastic to repair it.
1. Any ideas to repair it?
2.Any experience with Cosmofen? I understand that Cosmofen RM can be used to fill up the defect.It's a filler and it will need to be scraped after filling it up. But how do you get the same smooth feel and look as the rest of the door? Do I need to paint over it or do I need to paint the whole door? Any other ways of covering it and making it seem less obvious?
Two images attached.All help welcome.
Many Thanks.

 

[JohnD]

what makes you think it is a plastic door?

It is a hardboard-faced flush door, made of air apart from the skin. It is complete rubbish and very cheap.

 

[TheVictorian]

It is complete rubbish and very cheap.

Hence why a toy thrown by a child has damaged it!