you can use the knife tool K to directly cut new lines to match the shape .
or you can adjust the geometry to match the shape thin extrude it !
but i would prefer the first because the 2nd one needs more attention on how to place vertices
you can use the knife tool K to directly cut new lines to match the shape .
or you can adjust the geometry to match the shape thin extrude it !
but i would prefer the first because the 2nd one needs more attention on how to place vertices