ETT is easier to design around and takes a little maths jiggery pokery to make into a actual, when I did mine I wasn't too bothered by the actual and the top tube angle as long as the ETT was what I was after, I left the rest up to Marino.
@snottyotter started
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ETT is easier to design around and takes a little maths jiggery pokery to make into a actual, when I did mine I wasn't too bothered by the actual and the top tube angle as long as the ETT was what I was after, I left the rest up to Marino.