thank u sir, i will revisit the vault roof;
when i first tried it the vault roof tool, i got a quite segmented vault...thx
update:
i did revisited and did it in pieces cuz the flat rect in the middle, but decent enough and not as lengthy as i thought....tons of thx
update:
archiforma using 'editing mode' really good, really quick
MACBKPro /32GiG / 240SSD
AC V6 to V18 - RVT V11 to V16