I know part of the processing for WSF involves sandblasting. Does this result in a certain amount of material being removed? I ask as I've just received some models in which I used a small section - 0.95x0.70 mm Now my previous tests suggested this would be strong enough to support what I wanted, but when the model was received it was a little too flexible. On checking I found the section was considerably smaller then what I had designed - by about 0.10-0.25 mm which is quite a bit on such a small section So is some material lost? do I need to make an allowance for ti in my designed?