Exporting content of later to STEP file

Grasshopper
,
1

Hi there,

I want to export the contents of a layer as a STEP file, preserving the colours and object names. I have adapted the script below which I found elsewhere on the forums. It works fine, except that it doesn’t preserve the object names, and instead creates new ones. Is there an option somewhere I need to change which will resolve this?

import rhinoscriptsyntax as rs
import scriptcontext as sc
import os
import Rhino


sc.doc = Rhino.RhinoDoc.ActiveDoc



def SelectObjectTypes(objs):
    for obj in objs:
        otype=rs.ObjectType(obj)
        if otype==1 or otype==4 or otype==8 or otype==16:
            rs.SelectObject(obj)

def BatchExportSATByLayer():
    doc_name=sc.doc.Name
    ft="STP"
    filt = "{} Files (*.{})|*.{}||".format(ft,ft.lower(),ft.lower())
    if not doc_name:
        #document hasn't been saved
        msg="Main file name/folder for {} export?".format(ft)
        filename=rs.SaveFileName(msg, filt)
        #SaveFileName returns the complete path plus file name
        if filename==None: return
    else:
        #document has been saved, get path
        msg="Folder for {} export? (Enter to save in current folder)".format(ft)
        folder = rs.BrowseForFolder(rs.WorkingFolder(), msg)
        if not folder: return
        filename=os.path.join(folder,doc_name)

    #start the export sequence
    rs.EnableRedraw(False)
    layers=rs.LayerNames()
    layer="Export"

    if rs.IsLayerSelectable(layer):
        #need to check for sublayers in name and replace "::"
        layer_name=layer.replace("::","_")
        e_file_name = '"{}-{}.{}" '.format(filename[:-4],layer_name,ft.lower())
        rs.UnselectAllObjects()
        objs=rs.ObjectsByLayer(layer, False)
        SelectObjectTypes(objs)
        if rs.SelectedObjects():
            #runs the export using the file name/path and your settings
            rs.Command("-_Export "+e_file_name+" _Enter", False)
        
    rs.EnableRedraw(True)
if Run:
    BatchExportSATByLayer()

sc.doc = ghdoc