What do you think of this method of making homemade plasticine clay?

I, a novice, found this method on the internet while searching for recipes for homemade plasticine clay. I've never worked with plasticine clay before and am hoping experienced people such as yourselves could help me. I live in a country where plasticine clay is very expensive and not quite feasible at the moment.

I haven't tried out the recipe as yet, but will do once I have time.

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Scientifically it is sound, but the measurements shown are inexact.

I wrote a book on how to make and improve the consistency of clay, called "Making and Improving Modeling Clay" which you can find in another thread.

It describes the different ingredients you need and has recipes and suggestions based on English Plasticine, Mexican Plastalina, and American children's clay. Hope this helps! I know what it's like to not be able to get the quality of clay you really want. I spent years being unhappy with the clay I found in stores.

Thank you for responding and for writing the book. I will look  into it.

I tried the recipe yesterday. It didn't turn out for me. Maybe you will have better results, but the experiment is a variation on a classic recipe. I have made clay from stuff you find at the grocery store. The problem is, none of those ingredients are very hard, so the resulting clay will not be very strong or great to sculpt with.  It is also very difficult to figure out how much greast to wax you really need. Paraffin is also weird stuff. It's brittle at room temperature, but has the consistency of water when it's melted. If you dumped too much grease in and melted that with the paraffin, it would be impossible to tell if you used too much...until the mixture cooled. I have tossed out many batches because I used too much grease and didn't know where to go from there.  Even if you used the right proportions of ingredients, the clay wouldn't be very smooth.

So, that said, I do not recommend the Science Boffins experiment if you're looking for a serious clay recipe that will do what you want it to. It is intended as a kid's science exercise and the amount of clay you get from what is shown is smaller than a golf ball. The recipes I've formulted  in "Making and Improving" make about a pound of clay and the ingredients used are much more suitable to sculpting. Some melt, some don't because they don't have enough wax in them. The recipes are based on Jovi, Van Aken, and Newplast and have similar working properties.

One last thing I would suggest is not coloring your clay until you get it just right. Colored clay with off-balance ingredients will vex you because the stuff is sticky and that translates to get the color all over your hands. The cream-colored, untinted clay you get before you add color is much easier to deal with if it's not formulated right. It will just either be sticky or brittle. That's one less variable to deal with than if it was colored...Also, always mix the powder into the melted waxes SLOWLY! Too much powder at once can cause the mixture to firm up because it quickly absorbs all the grease and wax and you will never be able to stir the powder into the mixture all the way if that happens.

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