With dual extruders it would be Bipolar 
No software for Linux - wtf?
There is a prettier version being developed by a Norwegian team called polarworks. It’s called Alta. http://Www.polarworks.no
thanks @Jan-Erik_Vinje
@Christian_Ledermann no problem 
a polar cnc mill would be very interesting too.
The software is not open and no Linux version.
Actually, the printer runs just fine with Linux host software. The only thing that is required is the polar coordinate post processor to do the fancy math, but that is a simple C based app that is cross platform.
I always wonder why people question my decision to move the bed (and print) in x or y axis. Print results show no disadvantage. Make magazine awarded us a tie in print resolution - a close second to ultimaker and a tie with lulzbot… Both roughly 4x the price. This polar printer is more expensive than our simple metal but it has little more volume. It’s not apples to apples since the largest rectangular box it makes is not able to utilize its full diameter… Math is hard it’s also not open source, so…,
It’s definitely interesting and cool, but limiting in some ways. Does the polar system render any inaccuracy like the deltas do?
Brook
Another point about the polar printer is when you increase the radius, the angle precision decrease.
Brook, our printer also includes the on board STL processing, wifi access and a camera. For schools, it is the same price as your Simple Metal. (In fact, I have one of your printers… I love it!)
As for the inaccuracy myth… the printer was designed to be able to match any printer on the market on the edge… that math is quite easy… from there, the closer you get to the center, the better it can be… however, we’re still bound by the physics of the nozzle and filament. There is the issue of the singularity at the center that people claim is an issue… but since we know about it, the slicer can deal with it quite easily.
The real benefit is the fact that I don’t have a complex Y axis to deal with and my X axis is half the length… so my parts count is much lower… in fact, I did a tear down of the Makerbot Mini and we only have 30% of their parts count but still have a 302 cubic inch build volume (compared to their 75 cubic inch.) XY<RR*Pi!
Carlos… think about it the other way… at the edge, we match other printers precision… as we approach the enter, our precision increases.
@William_Steele sweet! It’s really impressive! Well done. I know how it is fighting myth, or perception. keep up the great work!!
Brook
That website is very annoying, I’m guessing the bed spins?
Thanks Brook!
@Jeff_Karpinski There’s a layer of pop-up elements covering most of the surface of the site. Closing the page is easier than closing all the pop-ups.
Yep, that’s the one.