$ 1.40 

https://youtu.be/r3DPo5Xgti0?si=adpBwb6fxB4s6Fcf
I tried to make the design stronger.
In addition, I included all three movement speed models so that everyone can choose according to their needs.
Print the pieces in the direction I have shown in the photos. It does not need any support.
In addition, I uploaded all the parts in 3MF as well.
Names are used only to indicate the source of a result. Polyzon is not affiliated with the listed sites.