Hi I have made a relief sculpture from oil-based clay and I wanted to know if I can make a mold using alginate. I've only ever used alginate to life cast before, but I'm hoping it will work with oil based clay. Also I don't know if the clay has sulphur in it, if that makes any difference. If it is possible, would be best to reinforce the alginate mold with plaster strips as one would in life casting? Thanks for your help!!!