I see where you're coming from Eddy, the edges will vary, depends on what I am producing, words, letters, shapes, all with differing edge profiles.
I was aiming to reduce the need to sand, turn over, sand again situation, but perhaps a small belt and disc sander may be a way forward


Quote Originally Posted by EddyCurrent View Post
If the parts have concave edges then a bobbin sander will be fine but if they are straight or convex you might be better with a small combined disk and belt sander. I'm thinking the bobbin could easily create indentations in the edges even if you went careful.