Lesson video

Hello and welcome to your design and technology lesson.

I am Mrs. Mee and I am your design and technology teacher.

Today we are on lesson eight of our topic which is reactions: control in design and technology.

If you've been with us previously, you'll remember that we've explored so much, we've learned so much.

We've looked at electrical systems, we've looked at what mechanical systems are, we've looked at how electrical systems and mechanical systems can work together and we've also looked and explored the need for control in design and technology.

And Mrs. Mee gave you a brief to work on.

Do you remember what the design brief is? That's right.

To design a smart device to help children recycle.

So that is exactly what we've been working on.

We've created some initial concepts.

We've then developed these concepts and explored how we can turn this device into a real prototype.

So we've explored how we might develop the electrical system to encourage children to recycle.

We've also looked at how we might develop a model, a physical model to explain and communicate our thinking.

So in the previous lesson, if you remember, we made a plan of how to make both our electrical system and our physical prototype.

So in today's lesson, we're going to look at making the physical prototype.

So come and join me where we'll explore what we're going to look at in today's lesson.

Okay, so in today's lesson, we're going to look at how to make our final prototype.

Now, remember the rules, it's really important that when you're developing and communicating an idea that you first of all, have fun, you explore and experiment and remember, it might not always go right.

So as a designer, you will make lots of prototypes.

So don't worry if your first prototype doesn't go quite as you expect.

Be confident and remember to play safe.

So when you are doing practical activity, you must have an adult supervising you at all times.

Now, we are going to need quite a bit of equipment in today's lesson.

So you're going to need paper and pencil.

You're going to do modelling materials and the modelling materials that you use will depend on your plan.

You're going to need your plan of making and you are going to need the equipment that you have identified on your plan.

So Mrs. Mee today needs cardboard, scissors, ruler and a glue stick.

So pause the video at this point, go and get all the materials you need, including your plan of making from last lesson and resume the video when you're ready.

Excellent, shall we begin? So hopefully, you've already done the intro quiz.

What we're going to look at first is we're actually going to remind ourselves what our plan of making looks like for making our physical prototype.

When we've reminded ourself of what the plan looks like, we're going to look at how to measure and mark out on cardboard to be able make our final model.

We'll then look at how to cut the parts for our prototype.

And then finally, we'll look at assembling our final prototype.

Okay, so we are going to be using lots of keywords today.

So the first keyword that we're going to use quite a lot this lesson is a prototype.

So this is an early sample model or release of a product that is built to test the concept or process.

So Mrs. Mee's going to make a prototype for her recycling unit today but it's not going to be ready for use, it's a prototype.

Mark out, this is a term that I will be using in this lesson, and that is the process we use to measure and make a mark on a piece of material to identify and indicate where to cut.

We're also going to be making lots of different components, so when I talk about components, refers to the different parts that will form a product.

And then we're going to use the word assemble and this is the term used to explain how the component parts are going to be joined together.

And if you remember in last week, not last week's lesson, but the week before, we actually looked at exploded drawings, where we did an assembly drawing.

So before we begin making, let's remind ourselves what we included on our plan.

So why did we create a plan of making? Is it just to show your teacher or your parent? Or is it to help you understand how to make your product? Which option would you choose? Just point to the screen now to tell me.

Fantastic.

Fantastic if you chose option two.

We created a plan of making to work out how we're going to make our end product.

Now, let's take a look at the plan of making that we created last lesson.

What did we include in our plan? Have a think about what things we included and maybe jot those ideas down.

That's right, so if you put materials, well done.

We included the materials that you'd need.

So Mrs. Mee's going to need cardboard.

You included the tools and equipment.

So Mrs. Mee is going to need scissors, a ruler.

And you also included instructions.

So this is to allow me to simply follow and make my end product.

And you may have included images or illustrations.

Well done.

So plan of making has all of the key things that you need to be able to make your product.

So all of these options are indeed correct.

So here is my plan of making that I created.

This is the example that I give you.

So the first thing I need to do is collect my material and as you can see from my illustration, that is cardboard, brilliant.

So I've got cardboard behind me.

The next thing I need to do is collect my equipment, scissors, rulers and a pencil.

Check, I have that behind me.

Then stage three, I need to measure and mark out.

Check and then I need to cut.

So this is just used to remind me what I need to do and it's really important to have your plan of making out to help you understand how you're going to make.

So we are going to be making a prototype.

What is a prototype then? Is it a sketch.

Is it a tool? Is it an image? Or is it a practise model of your final idea? What is a prototype? Option one, two, three or four.

Point to the screen and tell me what you think a prototype is.

Well done, it is indeed a practise model of your final idea.

So if it doesn't go to plan, don't worry, you can create another prototype.

It's called an iteration.

So each model that you make is a different iteration of your design.

Now, we need to prepare all of our materials and equipment ready to make.

So look at your plan, remind yourself of what you need to begin making your final prototype.

Pause the video when you've got the materials you need, press resume and we will go through the rest of the lesson.

Fantastic, so like me, you're probably got all of your equipment needed.

I've got my desk behind me and lots of space to begin making my prototype.

So before we start making, let's look at the first part.

So the first thing we need to do is we need to take our piece of material, we need to measure and mark out.

We are going to measure and mark out.

What do we mean when we say mark out? When we say mark out, does this refer to making a sketch? Or does mark out refer to making a mark on a piece of material to indicate where to cut? Which option does mark out mean? That's right if you pointed to option two, well done.

That is correct.

We're going to mark out and make a mark on our material to indicate where to cut.

So now let's prepare our materials to measure and mark out.

Make sure you have the materials and tools ready.

Fabulous, so are you ready now to begin measuring and marking out? Now, Mrs. Mee has created a video to show you how she's going to measure and mark out her design.

Now, if you remember, Mrs. Mee, in lesson five, created a development model.

So I made a quick, small prototype.

What I'm going to do now is measure and mark out all of the key parts.

So I've got one part here, the lid, the container and the feet.

So Mrs. Mee has three component parts that she needs to measure and mark out.

So have a look at this video and as I demonstrate how to mark out.

So Mrs. Mee has got one extra piece of equipment.

Can you spot the extra piece of equipment that I've got? Yeah, that's right, I've got a set square because to mark out my design, I actually do need to mark out and measure angles.

So if you do need to measure and mark out angles, you may want to get yourself a set square or you may even want to get yourself a protractor.

Now, Mrs. Mee, before she made her final prototype, what I did first is I did another practise model but I did it at a larger scale.

So you can see this one here.

So I made it so it's slightly larger to work out the sizes.

Now, these aren't the full size because remember, it's a prototype.

So this is just a scale model.

So when you're marking out, especially when you're in Key Stage 2, you need to be thinking about marking with precision.

So Mrs. Mee has used a super sharp pencil and she's making a little line at the start and the end of the line and I've also made a mark in the middle.

And you'll see why because Mrs. Mee's measuring and marking out quite an irregular shape.

So I need to find the centre so I can actually measure the front of the shape there and the back.

So I measure it.

And then Mrs. Mee is measuring in a certain unit.

Is Mrs. Mee measuring in centimetres or millimetres? That's right, Mrs. Mee's measuring in millimetres because I'm out by a millimetres, it still should go together.

But if Mrs. Mee's measurement was out by one centimetre, if it was one centimetre smaller than it should be, that lid might not fit onto that container.

So I'm measuring and marking out and you can see I'm doing it with precision.

Yeah, I'm checking and double checking and I'm using my ruler to measure and mark out out the shapes.

So I'm measuring the line for the back here and then I'm also measuring the line for the front and then I can join those up.

So this is my first model.

Now, Mrs. Mee has got to make four, four containers.

How could she make four containers? Should she measure and mark out each lid like this? What could this piece of cardboard be? Yes, that's right.

So I could make one as my main one and then I could use that as a template, couldn't I to trace around, to duplicate and create four exactly the same prototypes.

Now, what I'm actually creating here is what we call a there-dimensional shape that's created from a flat sheet.

Do you know what that's called? Shall I pull this apart and just show you? So what I'm creating on screen here is a flat version.

So if I take the tape off the corners, and fold it out, that's what it looks like.

So that is the net that Mrs. Mee actually created.

So it's called a net.

So I'm making a net that is flat that it am then going to assemble into three dimensions.

And you can see I'm measuring each side so it is exactly the same.

So this is how you effectively measure and mark out.

And once you've measured and marked out the shape, you can then start thinking about how you are going to cut it and we'll demonstrate that as well.

We're measuring and marking out each thing.

Now, on this model, I had something missing.

And I had to tape the corners.

So am I going to do do you think on my final model to allow myself to attach the corners? What am I going to add now to each of the sides to help me attach each of the corners? That's right, I'm actually going to now measure tabs.

And my tabs, if you look, are going to be 10 millimetres, also known as one centimetre long.

So I'm measuring that either side.

And that is the tabs.

So I'm making a mark, I'm joining them up with a ruler.

So can you see now how when you make a mark with a pencil, when we mark out in design and technology, it's indicating where I'm measuring from and to.

And that line that I create is also called marking out.

So we're marking out accurately where we're going to measure from and to.

So there is my finished net.

And now I'm going to measure the net for the sides.

Okay? So now the next thing to do is to measure the net for the actual container itself.

So I'm using a flat sheet of card and I will have to create it from two sheets.

So I'm making a mark again, front and back.

And I'm joining those marks together.

Okay.

So you need to think about measuring and marking a net for all of your key component parts.

And of course, you might not be creating a net because your design might be different to mine and I really hope it is.

I hope you've got a really creative idea.

So the net that I'm making for the frame itself has been made from two pieces.

If I pull that apart, I've made it from two pieces of cardboard.

So that's one piece and that's another and if you look, I've connected it together, using a tab.

So you can see that tab there where I've stuck that together.

So this is me measuring and marking the next one.

Okay, so pause the video.

Have a go at measuring and marking out your key component parts and when you've measured and marked out, we'll continue and begin to cut.

And there you have it.

So that is Mrs. Mee's nets all measured and marked out.

So I'm going to collect them all together before then I think about cutting them.

So pause the video, measure and mark out.

When you finish measuring and marking out, click resume and we'll look at how we might cut our card.

Here I'm adding the detail for the lid.

I forget about the detail for the lid.

So you might want to measure and mark that out before you cut.

Okay.

Fantastic.

So have you had a chance now to measure and mark out? Brilliant.

Let's move on then.

So what we need to think about now once you've measured and marked out your nets, you now need to think about cutting.

We're now going to cut the parts for assembling.

What tools are you going to need? Are you going to need a ruler and a pencil? Or are you going to need some scissors? That's right, you are going to need some scissors.

So we need to prepare ourselves now to begin to cut our component parts.

So make sure you have your materials and tools ready.

And remember, when you're using scissors, you must have supervision from a parent or carer.

So here's Mrs. Mee demonstrating how to cut the key component parts.

So you've got to think about what line you're cutting around and you've got to think about what lines you're going to score because you need to be able to cut around your net like I've done here but the parts that we need to fold, we are going to score.

So this is Mrs. Mee showing you how to score.

So once you've cut out, you need to think about cutting out all of the parts in between as well.

And once you've done that, we are then going to look at scoring to be able to fold it.

So Mrs. Mee has had to fold that piece in order to get my scissors into that shape to be able to cut round that shape.

So that's just given you a little tip of how you could cut more intricate shapes.

You could use a craft knife if you had a craft knife and an adult helper.

But you can only use craft knives if you have an adult supervising you and you have a cutting mat and a safety ruler to do that.

So once you've cut out the intricate parts, you can then think about how you might score the edges of your net.

So here is my nets all cut and ready to go.

There we go.

So now we need to look at how we might fold the edges.

And once you've cut really accurately around your shapes, you can then look at what lines need to be folded.

Have a little think.

So I've got three nets there, three parts and I need to think about which ones I need to fold.

So if you remember back to lesson five, to score the edges, you need to take a ruler, take the sharp piece of the scissors and run your scissors along the edge to enable you to actually fold and get a crisp fold.

If your folds are really sharp, it will allow you to fold and assemble your net with much more accuracy.

So here I'm getting my scissors and ruler and I'm about to score the edges.

And you can see here at the corners of the tabs where I've just cut the tab at a slight angle there.

That will just mean that the tab is not visible when you glue it inside.

So to score, remember, you use your ruler and you run it along the edge.

So pause the video, cut all of your component parts.

Score all of your edges where you're going to fold.

Fold them really tightly and when you're finished, resume the video and we will continue to look at how we might assemble our component parts.

Fantastic.

Have you had a go at cutting all of your component parts? Have you had a go at folding all of your component parts? Brilliant.

Let's continue then.

So now that we've cut, now that we've folded, we need to think about how we're going to assemble it.

Now, because Mrs. Mee is using a thin card, I need to think about what I'm going to assemble.

I need to think about what parts are attached to what other part and I need to think about the materials, tools and equipment that I might need.

So do I need to glue, do I need glue and component parts or do I need scissors for this next part of the lesson? So I need to assemble.

What do I need? Yes, to assemble, I'm going to need glue and all of my component parts.

That's correct.

I'm not going to need to use scissors.

So if you said glue and component parts, you are correct.

So let's begin assembling the parts for your prototype.

Make sure you have all the key materials and components ready.

When you've got them ready, resume the video and we will quickly look at how we might assemble.

Okay, so here's Mrs. Mee's component parts and you'll see, she's actually measured and marked out on a different coloured piece of card because remember, my lids will all be separate colours.

So I made my first net and I use that as a template to trace around on different coloured sheets of card.

Now, here you can see all of my markings out.

So I'm going to turn it upside down and fold it so you can't see the pencil marks on the outside of my model.

So I'm turning them all over and then to assemble, all you need to do is you need to add glue on each of the tabs and then you need to hold the sides together.

Now, Mrs. Mee's just using a rubber because she's noticed a cheeky little pencil mark on the outside of her net.

Here we go.

So that is the lid.

So here is the lid that I made.

And I've replicated that, I've made it again and again out of blue card, orange card or yellow, green and blue.

So that is my lid done.

Now that I've assembled my lid, I'm now going to assemble the base.

As you can see, I'm going to put glue on the tab.

And when you're trying to fix your tabs to your other component part, you do need to press really, really firmly.

So once I've done this, I am then going to put glue on the final tab and then assemble.

Fantastic.

So this is how you're going to assemble your key component parts.

So get your component parts, make sure you've got the material ready, pause the video, have a go at assembling your key component parts and then once you've finished, come back to me and we will conclude today's lesson.

Fantastic.

So have you had a go at assembling your key component parts? Have you now got the key component parts that you need? Now the only final thing Mrs. Mee needs to make is the feet to her product, which I will do.

So I'm just going to show you pictures of my finished final prototypes.

So here are my final prototypes and as you can see, I've made some changes.

Can you see what's different about my final prototypes? Yes, the way in which the bin is illustrated on top is different.

So I've used different shapes for different recycled items. So this one is for paper and card.

The green one is for glass.

The yellow one is for plastics and the blue one is for metals.

So I've used different shapes and I've actually created a character within my design.

So I hope you like mine and I hope you're going to share your prototypes with me.

So here you can see another picture of my prototypes and how they fit together.

And as you can see, when I fit them together, I've added the feet but can you see, there's a slight problem.

That's right, the feet overlap, so that's something I will evaluate in the next lesson when I do evaluate.

So hopefully you've enjoyed today's lesson.

We've done an intro quiz, we've looked at revisiting our plan of making, we've learnt how to measure and mark out.

We've learnt how to cut, we've learnt how to assemble.

And I really, really hope you've enjoyed it and I'd love, like I have, I'd love for you to take a picture and ask an adult to share your picture @OakNational on our Twitter page and use the #LearnwithOak.

Hope you've enjoyed this practical session today.

And I look forward to seeing you next lesson.

Thank you, goodbye.