The disposable dressings currently available are 18 cm by 18 cm; they have silicone edges to create an airtight seal and an absorbent central layer that collects liquid. They may, however, be refined and used as models for molding and casting in other materials.
The Plaster FAQ—Working With Plaster » Juxtamorph » United Artworks
Should I Use My Vacuum on Construction Dust Clean-Up? - Home Ec
The vacuum pump is a tube with a piston inside. More is better, up to 12 amps; more than that can trip a typical household circuit.
Hi-tech dressing sucks out dead tissue, bacteria and debris
As soon as it is somewhat firm, go back to the original bucket and pour off another section into another clean bucket.