Sieve

The following are presently available designs for making this alchemy tool under the Blacksmithing Discipline:   

This crafting tool derives its potency from the material's hardness and weight (harder is better, lower is better).

    a square wire sieve  - Somewhat challenging,proficient alchemy design tech helps
    an oblong wire sieve     - Difficult, proficient alchemy design tech helps  
    a trapezoidal wire sieve - Extremely Difficult, Proficient alchemy design tech helps.
    a triangular wire sieve  - Complicated, proficient alchemy design tech helps