Using 3D Chocolate Molds
For Solid Plaster Casting - Page 2
By Bob Sherman
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PLEASE NOTE!! - Plaster crafting is fairly safe if you observe these safety rules when mixing plaster. Once hardened there is little or no hazard from handling plaster items:
- Plaster is very alkaline and and exposure to high dust levels may irritate the skin, eyes, nose, throat, or upper respiratory tract. Wear a dust mask, eye protection, and rubber gloves when mixing plaster.
- Do not wear contact lenses when working with plaster.
- Plaster generates a lot of heat when setting - never use plaster to make casts of body parts.
- Keep away from children or pets.
- Other safety precautions may apply depending on the plaster product you use - read the directions.
Step By Step Instructions - Continued From Page 1
|9. The following step requires a knife. A standard utility knife is my preference. Use caution when handling a sharp knife.||10. The mold parting line (seam) needs to be trimmed. I cut away high areas and use a scraping motion on low areas.|
|11. An abrasive sponge works well for smoothing out the seam. When it clogs with plaster just rinse it out and it can be reused once it dries. Sandpaper may also be used but clogs rapidly and is not reusable.||12. Smooth the seam with the sponge. Tip: If you need to get into a tight area, cut a piece off the sponge with a scissors.|
|13. The finished plaster casting. At this stage it is still damp and I will let it air dry before painting.|
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Disclaimer: The information presented here is accurate to the best of my knowledge and common plaster crafting practices as of the time of this writing. Originally published in March 2007 and modified in April 2012. The author and the publisher accept no liability for the use or misuse of any of the information presented in this article. This article is presented for informational purposes and is used at your own risk.
Author: Bob Sherman
Publisher: Bobby's Craft Boutique Inc.
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