HobbyNeedlework

Paper parallelepiped: three technologies on one page

There may be a lot of reasons for doing the parallelepiped yourself: school homework on the model of the simplest geometric body, the desire to make a gift package for yourself or even a unique interior decoration.

What does the three-dimensional polygon mean?

To put it bluntly, all this can be done with such a simple form as a parallelepiped. From paper to make it easier and faster. Let's consider the most interesting variants: gluing a figure from a pattern according to a given drawing, origami and modular assembly.

Lesson # 1: The Volumetric Model

In order to make a rectangular parallelepiped of paper, you will need cardboard, ruler, pencil and scissors.

First of all, you need to know exactly what size model you want to get. On a separate sheet, record the main dimensions of the parallelepiped: the height of the side surfaces, the length and width.

Next, use the example drawing:

It is important not just to draw a sample, but on the right parameters. Then, as a result, there will be no disappointment and the need to do double work.

When your circuit is ready, draw the resulting drawing with the tip of the scissors under the ruler. This is necessary to ensure that the cardboard folds neatly folded, rather than "dictated" their lines.

Before you deployed a parallelepiped. Cut the workpiece out of the paper with your own hands. Fold it on the underside of the marked lines.

It remains only from the inside to glue the side allowances to the adjacent sides of the model and your parallelepiped is ready.

Lesson # 2: Origami

As a child, you probably used to play dice. Of course, at that time you did not know that you were dealing with parallelepipeds. In the process of playing to the parallelism of all parties there is no business, but the functionality is important. And do not utter a difficult word to the child . The main thing is that the delight of childhood can be repeated, but at a new level. How? Make a parallelepiped of paper, using the origami technique. Yes, not one model, but as many as the bulbs on your halogen garland. Look, that in the end you will succeed.

Step 1

Take a square sheet of paper. Bend it in half. Unroll and fold again on the other side.

Step 2

Repeat the same steps, only in the direction from the corners.

Step 3

Keep your fingers two opposite sides of the sheet in the center. The other two opposing surfaces also point towards each other and smooth the resulting triangle, thereby fixing the new fold lines.

Step 4

First, on one side, and then on the other, lift the corners of the triangle to the top.

Step 5

It turned out the so-called rhombus. Keep the right and left corners in the center. Again smooth the future parallelepiped from the paper.

Do not forget to turn and bend the corners on the reverse side.

Step 6

Do the opposite. Slightly open the bent corners and fold the others. They are formed from the free ends of the paper sheet and are guided by the vertices to the fold lines at opposite sides.

All this is difficult to understand only until you see what is actually going on.

Step 7

Insert the newly received corners into the formed pockets, as shown in the example.

Step 8

So, the parallelepiped of paper is ready! It's just that it's still in the folded state. You can give it volume in two ways. The first: to fool. Second: take a long rod from an ordinary ballpoint pen and use it. Both methods are implemented through a single hole, which you will find at the bottom of the model (the one closest to you). When you do these manipulations, you will get such a wonderful form:

In the same hole, through which the cube was inflated, a halogen bulb is inserted .

Lesson # 3: Modular assembly

Another curious way is how to make a very pretty parallelepiped of paper.

Step 1

Fold the square leaf in half and each half once again in two. Let the two extreme folds "meet" in the center.

Step 2

Turn over the workpiece. Pull the lower left corner to the middle and iron the fold line.

Step 3

Repeat the same action, but with the upper right corner already. Step 4

Lower the top corner, and the lower corner up. You will have a square.

Step 5

Give these corners to turn back.

The first module is ready.

Step 6

Make 5 more of the same, but from the sheets of another color: Step 7

Join them in one box. For what each sharp corner insert into the "pocket" of the next part of the cube.

Tip

The creation of a model, even from a childhood of a familiar form, as a parallelepiped, does not tolerate negligence. Accuracy in size, straight lines - that's where the success of execution and satisfaction from the result obtained lies.

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