N_Cook wrote:

Anyone know the generic name for this type of what I assume is
chisel-action-cut vaned heatsink.
Is it made using a shaper type machine with some sort of chisel or plane
blade?

http://home.graffiti.net/diverse:gra...e_heatsink.jpg

I'm afraid I found the pic too unclear to be sure what I was looking at.

Is it formed from sheet aluminium ?

Graham