Large print area Delta 3D printer

:DDLT-350 Print size(X,Y,Z）: 280×280×350mm
DLT-600 Print size(X,Y,Z）: 280×280×600mm
Outer frame: imported aluminum, steel (laser precision cutting)
Print plate: high borosilicate glass 180 mm in diameter
http://www.reprap.cn/he3ddlt350-delta-3d-printer-kit-p-98.html?zenid=89l3m77s150erjfkl7ki5fefi6:cool:

It looks incredibly fragile... very long thin uprights and those long thin bars to support the head...

Also I can't help but wonder if the filament guide tube doesn't interfere with the bars as the heads goes higher and higher...