Another craft ticked off the list.
a piece of driftwood, my hot fix tool and I have established that if we ever need a new house sign, this is do-able.
ideally I would have a thin tip to draw with but my method works:
sketch the the word or design with an erasable pen, I used a friction one. Make dots by tapping the hot tip along the traced lines and repeat so that the dots join up. I sealed the finished piece with mod pudge