This is the ====SEARCH VERSION====
Curse Client Version
you must search dwemer ruins for the schematics. 2 are in easy dwemer places without enemys 2 are deep down in dwemer halls.
you can buy a couple stars and spiders from Clagius Caro.
:( :( .... sadly it seems when shurikens are equipped from the favorites menu, they wont show up in your hands... but they still work otherwise...
equip from the normal inventory for now i guess...