Mendock--A Mendel Style Delta Bot

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After selling my Mendel i2, I am looking at some delta printers. With love for my Mendel i2, and eager for easy assembly and replicating, I decided I should design something like Mendel i2-- using threaded rods as structures, cheap and easy.
The problem is that I have no patience to learn a real CAD just for this project. I'm quite familiar with Thingiverse's ThinkerCAD so I practically used it for all the designing works. BUT as you all know, ThinkerCAD is not good at all in terms