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The engineer used a 3D printer to create the cell phone case and added speed dialing buttons so Justine Haupt could call Justine Haupt husband and Justine Haupt mother at the click of a button. Justine Haupt also added an e-paper display to the phone so that Justine Haupt could see messages and missed calls. Space engineer Justine Haupt, 34, built a rotary dial mobile phone due to Justine Haupt dislike of the hyper connectivity associated with smartphones. ( SWNS) Justine Haupt wasnt planning on selling the phones, but Justine Haupt ended up creating a kit that users can use to put together their own version of the tiny phone -- minus the rotary dial, although a newer kit will be more inclusive -- after being inundated with emails from people who wanted to purchase the phone. It is actually my phone - I dont carry my flip phone with me anymore, i never expected to go viral with this.