The present disclosure discloses at least one urethane component from 50% to 90% by weight, at least one reactive diluent from 5% to 50% by weight, and 0.1% to 5% by weight photoinitiator. And optionally, an inhibitor, and determined using a magnetic bearing rheometer using a 40 mm cone plate measuring system at a shear rate of 0.1 [1 / s], at a temperature of 40 ° C. A photopolymerizable composition having a viscosity of s or less is provided. The present disclosure also provides an article containing the reaction product of the photopolymerizable composition, the article exhibiting a breaking elongation of 25% or more. Further, the present disclosure describes a method for producing an article, which comprises (i) preparing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. provide. The method also optionally comprises curing the unpolymerized urethane component and / or the reactive diluent remaining after the (iii) step (ii). Further, a manufacturing device having one or more processors receives a digital object containing data defining an article, and a manufacturing device by an addition manufacturing process is used to generate an article based on the digital object. Methods to include are provided. A system is also provided that includes a display that displays a 3D model of the article and one or more processors that allow a 3D printer to create a physical object of the article, depending on the 3D model selected by the user.本開示は、５０重量％～９０重量％の少なくとも１つのウレタン成分と、５重量％～５０重量％の少なくとも１種の反応性希釈剤と、０．１重量％～５重量％の光開始剤と、任意に、阻害剤と、を含み、０．１［１／ｓ］の剪断速度で４０ｍｍコーンプレート測定システムを使用する磁気ベアリングレオメーターを用いて決定して、４０℃の温度で１０Ｐａ・ｓ以下の粘度を有する、光重合性組成物を提供する。本開示はまた、光重合性組成物の反応生成物を含む物品を提供し、物品は２５％以上の破断伸びを示す。更に、本開示は、（ｉ）光重合性組成物を準備することと、（ｉｉ）光重合性組成物を選択的に硬化させて物品を形成することと、を含む、物品の製造方法を提供する。方法はまた、任意に、（ｉｉｉ）ステップ（ｉｉ）の後に残存する未重合ウレタン成分及び／又は反応性希釈剤を硬化することも含む。更に、１つ以上のプロセッサを有する製造デバイスによって、物品を規定するデータを含むデジタルオブジェクトを受信することと、付加製造プロセスによる製造デバイスを用いて、デジタルオブジェクトに基づく物品を生成することと、を
