find an experienced plasterer in your neighborhood
Plastering is a job. You may be a skilled handyman. You can build your own house form the ground up, but if there is one job that requires not just skills but experience, its plastering. Don't go wasting all that precious material yourself. There are a hundred things you can do better! But for sure there is an experienced plasterer living somewhere in you're neigborhood. Just go find them on Handymanweb!