Windsor asked for a photo of the fascia capping I made. Below are some photos of the process I followed. The 1.5mm aluminium used was excess to requirements from some fascia on the house we built.
Started by bending some water pipe to the profile of the edge of the dash top.
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Added pieces to maintain the correct angle of the pipe relative to the top of the cowl. Roughed out a pattern on the aluminium sheet to approximate the capping.
Clamped down and bending sheet. Metal was mostly eased up around the profile for the main length and then worked with the hammer around the ends to bring it into shape
Once the inside was started to be folded down, a fair bit of hammer work was need to stretch the metal on the inside curve.
Trimmed the ends where it meets the doors. When fitted to the dash it was obvious that I had not allowed enough metal at the ends to reach where the tenax studs hold it onto the cowl.
Added some sheet metal to both the inner and outer sides. My first attempt at tig welding aluminium sheet. Not too glamerous but it dressed up OK.
A little more dolly work and trimming the edges and it fits well. Especially happy since it will eventually be covered in vinyl.