A photocurable resin composition, the photocurable resin composition comprises a prepolymer, a first photoinitiator, and a second distinct photoinitiator, the prepolymer comprising a repeating unit, the repeating unit comprising a first functional group and a distinct second functional group, the first photoinitiator having a first absorption wavelength, and the second distinct photoinitiator having a second absorption wavelength, the first photoinitiator having a first absorption wavelength to functionalise the first functional group, and the second distinct photoinitiator having a second absorption wavelength to functionalise the second functional group.