Triceratops pop-up card
I have added a new category to my greeting cards. I created a category named “Extinct Species" and made a Triceratops as the first work.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera01.jpg)
I posted the instructions for making it on the main site, so I’ll write about the process of completing it on my blog.
When making the dinosaur pop-up card, I thought that I wanted to make it voluminous.
Since it folds up, the limbs and other parts are flat, but I want to at least make the torso three-dimensional.
I thought it would be possible to make the body look wider by adding support parts on the inside, so I started by making a prototype.
The first prototype.
(The version number is just for my own notes. The version will be 1.0 when it is released to the public.)
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera02.jpg)
I thought the basic shape would work, although there are a lot of gaps in the back and so on.
But I thought it was good only when viewed from the side, and from the front, the face looks a bit squashed.
And I would like to make the ruffles a little wider at least.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera03.jpg)
Then, I noticed something even stranger. The mouth is strange. I really want to fix this.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera04.jpg)
So, improvements were made. (I set it to ver. 0.95 because I have a desire that the next one I make will be 1.0. But in reality, it won’t.)
First, I changed the parts of the face. I add a piece of paper under the chin so that the mouth would not look broken.
(I used different drawing paper, so the color is a little different than ver. 0.9.)
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera05.jpg)
I also modified the inner support parts to look like the picture. When opened, the arrow part pushes the ruffles of Triceratops apart.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera06.jpg)
The gap in the back is not fixed yet, but I think the ruffles are now wider.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera07.jpg)
The mouth also looks a little cuter now, doesn’t it?
However… I don’t like the horns. It’s pointing too far inward.
I want the horns to point outward more when the card is opened.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera08.jpg)
I changed the way I made the horns as connected the left and right sides.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera09.jpg)
Now, when the card is opened, the horns will spread out to the left and right.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera10.jpg)
Now I just need to fix the too big difference between the back and the waist.
But.. when I was opening and closing the ruffles, I became concerned about the projection that spreads the ruffles.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera11.jpg)
From the beginning, I assumed that this protrusion would be visible, so I have put colored paper on top of it, but when I opened and closed the card, the underside of the protrusion was also unexpectedly visible, so I was concerned about the white part.
The colored drawing paper to be pasted on the protrusions would also be improved.
After repeating this process, I came to the point where I could post it on the main site.
![](https://studio-sakyo.jp/wp/wp-content/uploads/2023/05/tricera12.jpg)
It was tedious to make the assembly procedure page, but since I made it, I would be grateful if you could try the pattern if you like.
Main Site Triceratops
The reason I did not name the category “Dinosaurs" is that I would like to include Cenozoic organisms in my work. Though I am not sure when the next one will be made.
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