[header] How to make venetian plaster [title] Wear a protective facemask to prevent inhaling the lime and marble dust. [title] Get a large plastic bucket or a wheelbarrow to use for making the venetian plaster. [title] Pour 2 quarts (1.89 liters) of lime putty into the bucket. 
[title] Add 2 quarts (1.89 liters) of marble dust to the bucket and stir with a mixing rod or a wooden stick. [step] You can get a wooden stick free at any paint store.