Disclosed in the present invention is an epoxy acrylate oligomer with excellent rigidity and capable of adjusting viscosity and controlling elongation, as well as a photocurable resin composition for 3D printing, which may be used for preparing an insole in a shoe industry by using the epoxy acrylate oligomer. According to the present invention, the photocurable resin composition for 3D printing comprises 80 to 120 parts by weight of a urethane acrylate oligomer, 80 to 200 parts by weight of an acrylic monomer, and 0.1 to 20 parts by weight of a photoinitiator with regard to 100 parts by weight of an epoxy acrylate oligomer, wherein the epoxy acrylate oligomer comprises dicyclopentadiene (DCPD) and/or hexanediol (HDO) in a main chain.;COPYRIGHT KIPO 2020
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