An Optical Illusion and a Marble Machine

I made an optical illusion object yesterday and the next step is to make a marble machine.

I was planning to combine the marble machine with the optical illusion, but I found it very difficult to make. So, at this stage, I'm not sure whether I can make it.

Making an optical illusion object isn't easy. If you want to make it care about even small details, it's possible to make a good one, but it's very difficult. So, I gave up paying attention to the details early.

There is one more issue. If I added the optical illusion object to the marble machine, the existence of rails and balls might more easily reveal the illusion that isn't real. Of course, the illusion isn't a real object, but you know, as possible as I can, I want to make it as if it's a real object.

Anyway, I'm going to draw the picture of the marble machine together with the optical illusion object. Let's see what it will look like.

An Optical Illusion Object

I finally made an object that I had been wanting to make. 

It's an optical illusion object. I thought it's difficult to design, but after I actually made it, I realized that more than designing, it's difficult to make. 

There are two boards with two posts stuck in both. It depends on which angles you look, these posts are to be seen parallel or crossed. 

This is just a trial, so these two posts have been cut in half and glued on the boards. Next time I make this, I'm going to make two holes and put them through the holes.

To tell the truth, this object can be seen better through a camera lens from a certain point. With the naked eye, two posts look slightly tilted. Probably, I need to do more devices. This object isn't so accurate, but I'm satisfied that I could make it with timber. I'm going to make a more accurate one next.

The view from the different angle.