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CARDBOARD ENGINEERING
Here’s some more cardboard engineering I tried during the last series
A couple of hints to start. It is desirable to
use a Stanley Knife for the cutting of the
cardboard, instead of scissors, as the knife
cuts more accurately. If you are not allowed
to use such a knife, ask an adult to make the
necessary cuts for you.
lf you are using a knife and working on a
table, make sure that you don’t cut the table!
Put some thick cardboard under whatever
you are cutting to protect the surface.
And be careful - don’t rush your work and
spoil it!
Billy Goats Fighting
For this cardboard engineering, you need two
long pieces of card, about the length of a
30 cm ruler, to act as operating arms. There
should be holes made in each arm at exactly
the same points, so they look identical.
One hole should be near the end, the other
about half way along the arm.
Once you have drawn and cut out your first
goat, use it to create an exact replica of it.
The best way to make the goat is to draw
or trace the shape onto the card and then
cut around it.
This bit is very important! Between each
goat and arm, place a washer on all four holes.
These washers, also made out of cardboard,
allow the goats to move more freely.
To attach the arm, the goat and the washer
together, use a split pin. This type of pin can
be put through the three holes and then
divided at the ends so all three bits are
fastened together.
Once you have attached all four split pins,
pull the operating arms apart. lf the goats’
heads do not meet smoothly, you might have
to smooth their heads with the knife, so that
they meet evenly.
The Gymnast
This is perhaps slightly more tricky to make,
but equally as rewarding.
In a similar manner as the goats, the man is
attached to the operating arm by split pins
with washers.
You will need to cut out two separate arms
of identical size and shape, and two identical
legs. Attach these two onto the man’s body
first, before attaching him to the platform.
The platform consists of three parts.
1 The long operating arm is similar to the
arm made for the goats. It is like a 30 cm ruler
with a hole used to attach the man’s feet.
2 The platform should have a narrow hole,
big enough for the operating arm to slide
through easily.
3 This is the difficult bit! You need a smaller,
shorter piece of card than the operating arm.
On one end you make a hole and attach an
arm each side. Don’t forget the washers!
At the other end you cut a small section of
the piece in two (as in the picture). Cut a slit
in the platform and push the end through.
Once it is sticking out of the bottom of the
platform, bend one half one way and the other
the other way. Then stick these down
securely with tape.
This should hold the two pieces of card
together and provide enough stability for the
gymnast to perform his tricks.
CATCHPHRASE COMPETITION
If you want to win a copy of Rolf’s new book
‘Your Animation Time', tell us which cartoon
characters have the following catch phrases:
1 ‘I tought I taw a puddy cat’
2 ‘What’s up, doc?’
3 ‘Yabba Dabba Doo!’
4 ‘Beep Beep’
5 ‘Suffering succotash!
We’re giving three copies away.
Send your answers on a postcard to:
‘Catch Phrase Competition’
Rolf’s Cartoon Club
P.O. Box 60
Bristol
BS99 7HN