A platform that can be raised

A platform that can be raised

We are going to make a bridge with a platform that can be raised. The structure will be made with triangles of paper only

Before we start with the bridge we are going to do a resistance test on the traingulated structures

Triangles resistance test

In order to do this project we need these materials:

• Paper• Thermofuse glue• Cord

• Plywood

Triangle resistance test

First of all we will make the paper tubes. You roll the paper around a wood bar.

Triangles resistance test

Then glue the edge with a little glue. Take care because if you use too much, it will get stuck to the

Triangles resistance test

Since our tower is 30cm high we have to make:4 tubes 30cm long16 tubes 10 cm long16 tubes de 13 cm long

4x 30cm

16x13cm16x10cm

Triangles resistance test

With the tubes you will form two sides of the tower

Make two of these

30cm10cm

13cm

Triangles resistance test

In order to connect the bars properly try to make a gap at the end of the shortest bars

Triangles resistance test

Once you have two sides you can start joining them together like in the picture

2X

Triangles resistance test

Remember that the more triangles the stronger the structures will be

Triangles resistance test

Triangles resistance test

Finally we will put all the towers together to make them more resistant.

The board has to be 30x40cm in order to cover 6 towers

Triangles resistance test

We will check the resistance of our triangles¡¡

Triangles resistance test

You have only six days to finish it, so

Let’s work

A platform that can be raised

Now that we know how to make triangulated structures we are able to build a platform that can be raised

As you did before, once you have two sides you can start joining them together like in the picture

2X

Triangles resistance test

A platform that can be raised

Attention¡¡¡¡¡This time we have to leave a

gap where the platform will be placed

A platform that can be raised

This is the handle that will move our platform

20cm

3cm

8cm

5cm

A platform that can be raised

The platform has to be 20x10cm and you have to make it as you did before

10cm

13cm

20cm

Cover it with a piece of paper

A platform that can be raisedThe platform form will be made with

tubes and has to be movable, so make sure that one tube can be placed inside the other

5cm

A platform that can be raised

Then you need to insert the crank inside the tower, using two tubes of 3cm diameter

Cranck

A platform that can be raised

Finally you only need to connect the platform to the tower with a cord, making a knot at both ends