Infos zu Deckhengst Double Diamond (Deutsches Reitpony, , von Dreidimensional AT) | Reiter Julia Coldewey | Ergebnisse, Decktaxe, Stammbaum, Bilder. Designers across disciplines share strikingly similar approaches to the creative process, which we've mapped out as 'the Double Diamond '. Joining strategy together with the execution of the right solution challenges most teams today. It's difficult for many reasons. Defining a strategy.