I have built a few instruments before at a luthiers workshop so this is not my first instrument, but this time i I wanted to build a guitar for a friend, so as I don't have a workshop I bought one of those Stewmac dreadnought kits. Looks good but checking the instructions (https://www.stewmac.com/freeinfo/i-5295/i-5295.pdf) I have a doubt.
At the part where the kerfing is sanded, I can see that the back radius is built into the kerfing, head and tail blocks. But when the guitar top is done, everything is sanded down flat and squared to the guitar sides. Is it ok to do it like this? The guitar top also has a radius, and I know some builders also build this radius on the kerfing and end blocks, so I wondered if sanding them flat could cause any problem when gluing down the top.
Thanks a lot in advance.