Question: How do you create a soap dish mold?
Options:
Take an existing plastic soap dish.  Cover with concrete and let harden.  Apply heat to melt the plastic dish and drain.
Take an existing plastic soap dish.  Cover with molding clay and let harden.  Apply heat to melt the plastic dish and drain.
Answer: Take an existing plastic soap dish.  Cover with molding clay and let harden.  Apply heat to melt the plastic dish and drain.