I've shaved a piece out of a cupboard door right in the middle about 15mm x 10mm. Are there any repair products available , I've only found this one but I don't think it fills large marks.
Scroll down to product 2
http://www.repairproducts.co.uk/page8.htm
Scroll down to product 2
http://www.repairproducts.co.uk/page8.htm