Originally Posted by
rjustice
Thanks for the insight... When you say that the abrasive nature of the concrete deteriorated the mold, were these deep draws, that shrunk down around the Delrin?... what i am considering, is something that would have more of a flat surface to it, maybe more like the concrete stamps just make it look like a natural rock surface. It would be perhaps .8 of depth, because that is what our machines will do in one shot. The sides of the blocks, would be formed with plywood, and just cap the bottom with this decorative carved face.
Thoughts?....
PS, it probably would be a very good time to buy stock in Dawn, there are going to be a lot of greasy birds that will get cleaned up!...