LSJ
ὁ, (< πλάσσω) oven-maker, fire-clay moulder, worker in terra-cotta, much like κοροπλάθος, Pl. Tht. 147a; — later ἰπνοπλάθης, Poll. 7.163, Tim. Lex., Harp.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
ὁ, = ἰπνοπλάστης, Poll. 7.163 ; Plat. Theaet. 147a steht der gen. plur. ἰπνοπλάθων od. ἰπνοπλαθῶν.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)