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Best Tips to Make Plaster Molds for Tracks

When you come across animal tracks that are pressed into soft ground clearly and perfectly, you might like to preserve your find. Find out some tips on how to make plaster molds of tracks.

If the ground where you find the track is dry and reasonably solid, you can make a plaster mold of the print. This is how to do it.

1. Carefully clear any foreign matter away from the print in the ground. Then encircle the print with a strip of cardboard and clip or tape the ends of the cardboard wall together.

2. Pour freshly prepared plaster of Paris into the area surrounded by the cardboard walls. It may be difficult to judge the amount you will need, but you will learn with experience.

3. When the plaster has hardened, you can take out the whole piece and clean it off. What you then have is a negative of the print, raised or in relief.and be sure there are no bubbles remaining. When you have poured in enough plaster to cover the negative mold, let it harden a bit. Then make a loop from a piece of string and embed the ends of the string in the side of the plaster, so that the loop remains on the surface. A few knots at the ends of the string will make it more secure in the plaster. Pour a little more plaster into the mold

If you want your cast to be indented, as the track was in the ground, you have one more step; making a positive mold. Brush the surface of the negative mold with soapy water, oil or Vaseline.

4. Once again take a strip of cardboard and make a wall around the negative mold. Then pour liquid plaster into the greased mold. Smooth the surface of the mixture with a small piece of board.

5. When the mixture has hardened, remove the cardboard walls and separate the negative mold from the positive, prying the two casts apart with a table knife. This will be easy if the negative was well greased. Clean the positive well and give it a coat of shellac to help preserve it. If you wish to label the side of the cast, do this before shellacking. Then you can hang the mold by the loop of string.

The Indians and woodsmen of old didn't need watches, compasses and barometers. They could get all the information they wanted from the animals and plants, the wind, the stars and the moon. Who today can interpret these natural signs? A passage in a recent magazine read: Midnight. The tropical heaven arched above in a splendor of shimmering stars. The narrow, barely visible curve of the new moon stood near the zenith. Someone well versed in reading the heavens would have noticed immediately that this was impossible, for the new moon has to stand close to the rim and therefore could never be near the zenith.

Choose a good and sold ground where you find the track before putting the mold.

Mitch Johnson

View all articles by Mitch Johnson

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This entry was posted on Sunday, September 28th, 2008 at 2:19 am and is filed under Silver Antiques. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.