Despite the abundance of hourly mechanisms and most of their options, the need for ancient hourglass is still present. They serve as a visual way to define temporary intervals in different household situations: during fitness classes, during cooking, cleaning teeth by children, etc. We suggest you make a watch from girlfriend with your own hands. Time a lot of this process will not take you.
Materials
Before you start work, you should make sure that:
- empty plastic bottles of the same shape and volume, 2 pcs.;
- a piece of plastic or acrylic sheet;
- sand;
- sand seeders;
- Scotch;
- glue;
- millimeter line;
- Sharp scissors or stationery knife.
Step 1 . Stationery knife cut the bottom of the bottles. In height, they must be the same.
Step 2. . Cut will need to be the top of the bottles in the form of a funnel. They should also be the same in height.
Step 3. . Elements from the top of the bottle be sure to cut the neck with thread.
Step 4. . The bottom and funnels will be built together with the help of Scotch.
Step 6. . From the leaf of acrylic or a piece of plastic, cut the circle to the diameter corresponding to the diameter of the bottle neck. In the center it makes a small hole. In this case, its parameters amounted to 3 mm. Stick cut-off circle to the neck.
Step 7. . Sand available from your garbage and large lumps. If there is at least a little moisture in it, be sure to dry it. In good weather, it can be done in the sun, scattering sand on a flat clean surface. In bad, the usual electrical or gas oven is suitable for these purposes.
Step 8. . Prepare sand, reproach him into the second existing funnel. After that, collect the hourglass from two halves. Changing the full sand rash time. If necessary, squeeze it or add some more material. When the volume of sand will be fitted under the time you need, glue everything with scotch, or glue.
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Hourglass ready.