Helix is able to use any layer names you wish. This layer map enables us to use existing PDKs and technology files. Please provide the mapping from the internal layer names used in your GDSII file to the Helix layer names shown below. Copy the data below and paste it into a text document to get started. layer helix_layer diffusion/field n-well deep n-well n implant (nplus) p implant (pplus) poly silicide blocking layer (rpo) high voltage diffusion (od2) contact metal1 via1 metal2 via2 metal3 via3 metal4 via4 metal5 via5 metal6