https://t.cfjump.com/52969/t/54725?Url=https%3a%2f%2fwww.everten.com.au%2fcatalogsearch%2fresult%2f%3fq%3dFriand%26dir%3ddesc%26order%3drelevance&UniqueId=module+

We use paper liners in these just push a round liner in and with your fingertips press it out oval.  No one would know they were round.  Cute hey!