Hi and thanks, the Fence is based on a typical thick MDF face and base, most noticeability used in the old Yankee Workshop Table ->https://www.youtube.com/watch?v=-V0fLf3hoQk
I could post some pictures if you like but the fence is about to be modified (again) next week, so if you're not in a hurry I'll leave it until then.
I should explain the reason for the modifications as it's directly related to the dust extraction design.
I mentioned before that the dust extraction in this table is completely configurable with a simple insert plate change, some of this will become obvious when I make one of the four or more plates just for different types of freehand routing, each fitted with their own dust extraction fitting, safety guard, and some with a starter pin or block.
What I have found with testing this new design is that I now need very little through the fence extraction. I need to shorten the fence dust collection box by at least 60% to 80%, what I will end up with is not much more than a tiny sloping enclosure at the back of the fence that touches the top of the fence face opening, and then slopes away from the face towards the base at around 45 deg. To match that modification in the table top (fence extraction port) only requires 5 minutes work to make a new insert plate, and costs a whopping 50 cents - oh, and takes 2 seconds to swap over.
Extraction at and below the bit is now so good that the typical style of fence extraction is almost redundant, and has forced a redesign of that area, this in turn allows me to open up the below table intake for even more airflow than I currently have it set for.
Hope that makes sense without pictures.