As kids, we always remember some classic cartoon scenes, like Popeye, Dragon Ball, and so on. This time, we're going to use a 3D printer to create a rotating animation machine to recreate a classic scene from The Lion King! Below are illustrated principles and instructions to guide you step-by-step. Hakuna Matata!
．3D Printed Animation Stand
First, we use an Ultimaker 3D printer to print out all the parts of the animation machine. For this project, we selected PLA material with water-soluble support PVA. After dissolving, it achieves precise dimensions and a clean surface.
For those using 3D printers, remember to adjust the precision, as the animation stand is assembled using pins. If it's too tight, it won't assemble; if it's too loose, it won't hold the picture structure and won't rotate. So, the dimensions need to be very precise.
．Creating the animation frames
Next, let's understand the principle of animation. It involves a series of progressively changing actions chained together to form continuous motion. A one-second animation typically requires 24 frames for smooth movement. This rotating animation machine has 30 slots on the side, so it can replay a little more than one second of animation. Since the animation machine uses images connected top and bottom, taking frames 1, 2, and 3 as an example, the layout requires cutting the images into upper and lower halves. If this is still difficult, just follow the concept of "upper half of the next page + lower half of the previous page" in the last image! Before printing the frames, remember to arrange them as instructed in the diagram below for success!
The best part is choosing a favorite animation! This time, we chose the classic animation: The Lion King, capturing one second of video and breaking it down into 30 still frames. After arranging them according to the instructions above, print them out, fold and glue them, then insert toothpicks.
．Assembly complete, let's make it move!
Following the previous assembly diagram, insert both ends of the toothpick into the two holes of the rotator and connect them, and you're done! Although there are many steps, the sense of accomplishment after completion is immense, especially the moving moment of the animation frames, which is very touching!
If you want more frames, you can also modify the file to increase the number of circles to expand the animation. Doesn't it look like a lion's mane from behind (Lion King crazy fan)! Avoid the crowded New Year's crowds, stay at home and play together, exercising both your mind and hands!
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File source: https://www.thingiverse.com/thing:2575949