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About Deviant Artist JessFemale/United States Groups :iconlackadaisycats: LackadaisyCats
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How to make plaster casts: Tutorial by sketcherjak
How to make plaster casts: Tutorial

I never post work stuff here, OK, I rarely post on DA at all, but the latest North Dakota Studies newsletter is out and I couldn't be more excited. Dr. Barbara Handy-Marchello wrote an a stunning article on paleoindian peoples of ancient North Dakota, and it's full of beautiful watercolours by Greg Harlin, who is, in my humble opinion, one of the top historical painters alive. We have originals at my museum, and I was all, "Somebody fetch me my fainting couch!" Greg is kinda' the knees of the bees. 

But back to Barbara's article. The people who hunted at Beacon Island used Agate Basin lithic technology. And if you were wondering just what the "paleo diet" from ancient ND was, Fern Swenson, Director of the Archaeology and Historic Preservation (AHP) Division at the State Historical Society is participating in a project to answer that question. Swenson is working with Kacy Hollenback and Whitney Goodwin at Southern Methodist University on a pilot study to analyze the meat of modern animals in order to match it to the residue found in pots at ancient village sites. It's gas chromatography and mass spectrometry, if you're nerdy enough to look it up. Pretty cool. 

The North Dakota Studies Newsletter is always free for educators. If you want extra copies for your classroom, page 5 has all the details for ordering.

​Hope you enjoy it!


  • Plaster
  • Water
  • Molds (You can make them, or buy them. Megalodon teeth molds are about $2 online.)
  • Cups
  • Stir Sticks

​Take a cup and mix together the water and plaster. If you're working with a large class, marking a waterline on the glass will help speed things along. Water is typically 2/3 volume of the cast.

When fully mixed, pour your plaster into the mold. You will see bubbles rise to the surface. That’s a good thing. Pour slowly, and gently tap the sides of your mold to release any air bubbles.

Depending on the size of your cast, it may take from 15 minutes to 1 hour for your cast to fully set up. You will notice heat from your cast. This is because gypsum and water cause an exothermic reaction. You feel this crystallization process as heat in the form of steam.
  • Mood: Humor
  • Listening to: rain
  • Reading: blogs
  • Watching: Top Gear
  • Playing: with pencils
  • Eating: turkey sammich
  • Drinking: Glenlevit

To sum up the last few months, another book is in the works.  By way of thank you to everyone, I'm in the process of building This site is an ongoing labor of love, in efforts to share many of the tips and techniques an equine artist should have.  Many of the tutorials can also be viewed here on Deviant Art or in my books, but posting them all in one place for easy, accessible, and most importantly, free access just seemed right.  Also, that's just the sort of financial mastermind I am.

So I hope you like it, or at least, like the parts I've managed to finish so far.  Chances are you won't get hurt, or not hurt bad anyway, and if you're really brave, you can drop me a line with requests or questions.  I'm usually responsive although, no guarantees on making any sense.

Thank you, thank you, and thank you all again.  Seriously.  I mean it.  For the support, laughing with me, or at me, and making it all possible.  



United States
Current Residence: Frozen Hell
deviantWEAR sizing preference: small
Print preference: large
Favourite genre of music: downloaded XD
Favourite photographer: tangledweb
Favourite style of art: others, usually.
Operating System: Mac
MP3 player of choice: I'm not either!
Shell of choice: turtle
Wallpaper of choice: NONE!
Skin of choice: Yours
Favourite cartoon character: Calvin & Hobbs

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Add a Comment:
The-Little-Falcon Featured By Owner Jan 30, 2016  Hobbyist
Hello, I just now found your deviantart but i knew you for the HTDH page, and wanted to stop by to tell you THANK YOU so much!!! your drawings have being a great resource for me and have helped me A LOT in understanding how the whole horse-machine works! I look foreward to when I will be able to make myself a paypal and be able to buy your book.
Please keep drawing these beautifull animals as you do now!
PD: I was curious to know if perhaps you draw so well because you own a horse of your own.
PPD: sorry for the terrible english.
Aeolyx Featured By Owner Sep 1, 2015
Happy birthday! :D
Okami1reeKa333 Featured By Owner Sep 1, 2015  Student General Artist
happy birthday
FalsusEquus Featured By Owner Sep 1, 2015  Hobbyist General Artist
Happy Birthday :party:
I hope you have a good day^^
VampiraLady Featured By Owner Sep 1, 2015  Hobbyist Digital Artist
CaliginousInk Featured By Owner Mar 22, 2015
Thanks for having done all the horse tutorials. It's hard to find ones that have proper conformation/proportions. I'm not taking art classes from school anymore and I don't have enough money to pay for expensive programs or any type of schooling or a lot of books on art, so I really appreciate anyone who makes tutorials like this because it helps me learn and develop my skills.
maironmatos Featured By Owner Mar 18, 2015
Thank you for amazing gallery!
Ganjamira Featured By Owner Feb 23, 2015  Professional Artisan Crafter
Heyho ! We´d love to invite you to our group :iconbeginner-traditional: Our group is based on resources and tutorials for beginners in traditional art and if you want,you can join as a contributor to educate the beginners about the tips and tricks of traditional art and share recources and tutorials:heart:
sketcherjak Featured By Owner Oct 6, 2015
Why yes, Id love to!
Fluffydragonpuppy Featured By Owner Dec 22, 2014
I love your icon so much. :giggle:
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