Character Tower（Conclave Characters）

thingiverse

I love the original version by JustinSDK. But I have problem in printing embossed characters, even with inner wall. My FDM cannot deal with collapse in printing, especially Number"7", or alphabet " T" etc. And one more thing, I'd prefer to have a perfect cylinder as tower rather than a gap caused by spiral on top. So, inspired by original code, I rewrite it a little, Main changes are : Characters are now enclave, easier to print without collapses, 2.It's now a cylinder without gaps on top. 3.Render time saving. It costs less than 1 hours to render in my MAC Mini instead of hours. 4.Thinner bottom to save PLA as well as time. BTW: I fail to upload 15M STL for 10 times at least. So please download the 15k openscad and render it to stl. It will take less than a hour.