ready-made seal made by machine. because ready-made seal is cheap and same seal impression.
moreover,that make for most popular name.so if you not japanese or unusual name,you need to order made.
but,now we can get 3D printer.so we solve these problem by personal technich.
It's looks cheap or model.but You can seal for real pepar.
All product passed shapeways's Material Overview.and I print my 3D printer(Flashforge Dreamer).
check seal impression, and update my 3D model sometimes.
I can select a correct kanji for your name because I'm Japanese.and I tell you selected kanji's mean.