Han wrote in news:XnsA0B6A123F634Cikkezelf@
207.246.207.163:
Looking at the one that came with mine, it's a square piece with a moulding for a round hose. I haven't tried it, but it looks to fit on the waste side of the jig and simply hold the hose in place while it sucks the dust away.
You could probably make one out of wood with little difficulty.
Puckdropper