Reply To: Request help on a design “Oregon Friendship” › Forums › General Discussion › Request help on a design “Oregon Friendship” › Reply To: Request help on a design “Oregon Friendship” February 7, 2020 at 6:17 pm #6191 Alan BalmerKeymaster @alanbalmer Lowjiber, I don’t think there are any restriction on the type of attachments allowed. I would suggest a .gem file, though. GCS can read GemCad files, but not vice versa.
