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Hello

In this instructable, I will show you how I made this nice and mechanical coat hook.

The basic idea is that when there is no coat hanged on this hook, you can only see a nice green egg. but when you hang a coat on the hook, you can see hatching egg, a little bird with two wings and two legs!

Thanks for mikeasaurus for you inspiration and your instructable which you can see in this link:

Hatching egg coat hook by mikeasaurus

In that instructable, he used Laser cut to do the job, good for him to have one in hand. But I made all from some hand tool and jigsaw.

so lets start . . .

UPDATE:

I added the video.

Step 1: What You May Need to Make This

For this instructable, I used a little scarp 3mm plywood and a little scap 3mm wood.

Plus, you may need

  • some rubber band
  • a short thin wire
  • super glue
  • wood glue
  • jigsaw
  • drill
  • coping saw
  • some hand tools

Step 2: Design

We have to design:

  • The main shape design
  • The mechanism design

For the shape design, I search for an egg shape which you can see the picture of. And also I wanted that my hatching egg had face of a little bird, two wings and two legs.

For the mechanism design, it was as simple as the previous 'ible by mikeasaurus + the mechanism for legs.

At this moment, all I was know was that I want the leg to protrude from down corner sides and I was sure that I need the main mechanism to do that. So instead of narrow tail for the bird, I made it wider to change it later.

Later we add to legs at the end of tail. You will see in a moment!

After I draw the rough design, I transported the design to the plywood to be ready for the cut.

Step 3: Cut the Plywood

I made the cut with two basic tools, jigsaw and copy saw.

I used jigsaw first for the egg and some part of the bird, but noticed that it ruined some parts of the bird. So change the tool to coping saw and finished the bird with that tool

As the bird was not perfect enough, the only chance that I had was flip the bird , since the other face was a little better, nothing changed in design though.

After the cuts, I did some sanding to make the surface smoother.

Lessons learned:

  1. It is better to do the cuts with laser machine! The overall shape and mechanism would be better.
  2. Smoothness is the key for this 'ible. Try to use better wood or plywood and don't forget to lubricate well.

Step 4: Gluing

It is now time for gluing some parts.

The upper section of egg should be glued to the birds upper head! I used wood glue and waited over night for glue to dry.

Also, I glued the inner section of rail on the backside of down section of egg. You have to glue it in a position that when the two sections of egg are close, it should be at the tip side of the rail (tail of the bird). So that when you take the egg's section down, it controls the tail in its path. See the pic 3.

after glue was dried, you can test the rail and see how the two sections move.

now it is the time for legs!

Step 5: Leg Making and Assembly

I searched for some bird's leg design and got some inspirations.

Then I draw some on the scarp wood , cut with coping saw.

I must be wood, not thin plywood as the legs are narrow and thin, therefore they can easily break. So use wood instead. I made the legs a little longer to cat them in size later.

Now you can see how it may come together with the body. As can you in the picture 4, the original bird's tail was like that. I was sire the I need to change it later, and it was the time! You see in pic 3 , that the two corners of the tail were cut and the legs also, to fit in the lower section of the egg. I was a process of try and error!

Then all I need was a short thin wire. I made the wire naked and drilled a small hole with a nail in the two corners of the tail. Also drilled the end of the legs. Then connected the legs to the tail, so the the legs can move freely.

Step 6: Leg Mechanism

It is time to make the leg's mechanism!

with some try and error and some movement test, you can find where is the best place for the little wood which act as turning point! Just place a nail on different places and see which one can make the legs protrude best.

Then mark with a marker )pic 1). The two dots are the edge of the little wood for turning point (pic 2). All you need is glue the wood on the place with some super glue.

Then we need some thing to turn the legs on the first place. Again, with some try and error, I came with this design, the rubber band and little metal ring! (pic 3). the length of the rubber band , for me, worked best when it was a little longer and loose.

after that. I cut a plywood to secure the rail. This wood must be wider in lower side to prevent the legs from turning side ways, because the rubber band made the legs a little turn and it could not function properly. The wider section solve this problem.

Last, we need two little wood for each leg to secure the rubber (pic 4). Again, with some try and error and test. you can find the best place. It should be in a place the do not interfere with the moving mechanism and should not be visible from, the other side!

Step 7: Paining

You know there are more approach towards this painting than you think!First do some sanding to smooth the surface, then paint.

I painted the egg with green acrylic color and some purple dots. The bird is in yellow with orange wings and brown legs. Don't forget the yellow nails.

Step 8: Rail Fixing and Hanging Wood!

Ok, now we need some scrap wood to for hanging the egg from wall and
also in the middle for another rubber band which turns the lower section of egg to its place. You can see that I sanded one edge so that the rubber band stays in place better. The hanging point has a little notch to secure better in place.

Step 9: Hooks Making

Yes, hook making!

I made the hook by a metal rod.

First I used a flame to make the rod red and then I shaped the rod with some hand tools and sand the surface to make it glow (at least I tried!).

Then I made a very tiny hole from backside to see where should I hang the hook.

A screw was needed, as it was a bit tall, I had to sand it to make it shorter which you can see in pictures.

Dont forget the lubrication. I just used some soap!

Job Done!

Optional:

You know, I had some short rod and didn't want to throw it away. So why not make something nice?

With flame, I made the rod red and soft, hammered on one side to make it flat. Then sanded to make it a little knife! I know it is not that sharp! But it cuts!

Step 10: Enjoy Your Child Hatching Egg Coat Hook

Yes, it is finished.

All you need to do is hang it some where and enjoy.

I made it for a little girl which she enjoyed a lot!

Caution: After that, you probably have some requests for making such a hook. But all I will do is referring them to the 'able.

Thanks ...

<p>This is so cool! I'm still trying to figure out how your leg mechanism works. Great job and awesome first Instructable! I hope we see more from you!</p>
<p>I will post a video soon, maybe tomorrow.</p>
Hi great project, just wondering did you ever make a video. Thanks for you time
<p>Wow, this is great!</p><p>I really like those legs, what a fun idea.</p>
<p>This is adorable. I don't have any kids, so I'm trying to decide how to get away with using one of these as an adult. Great project!</p>
<p>what a great idea</p>
Very cute! Love the idea of making responsibilities fun!!!
<p>what a cute egg!</p><p>excellent job!</p>

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