An apparatus for preparing a lenticular sheet includes a photoconductor, a light emitting section for forming an electrostatic latent image on the photoconductor, a developing section for forming a transparent toner layer by applying a transparent toner to the electrostatic latent image on the photoconductor, a transferring section for transferring the transparent toner layer on a transparent sheet and a lens forming section for forming a lenticular lens by molding and fixing the transferred transparent toner layer on the transparent sheet.