A union query would do it e.g.
SELECT Drawing, "Block1" as Block, Block1 as Utensil
FROM tblDwg as A
Union
SELECT Drawing, "Block2" as Block, Block2 as Utensil
FROM tblDwg as A
UNION SELECT Drawing, "Block3" as Block, Block3 as Utensil
FROM tblDwg as A;