DIY linear guide for cnc plasma

Hello everybody,new user here trying to learn linux slowly..I am a CAD /cnc operator on mach3,vectric,autocad platforms..
I will start a project within like a month when my cnc kit arrives on august , just wanted to ask has anyone of you used this type of linear guide and does it do any good job since plasma doesn't need way too much accuracy..Or do you have any other diy suggestions ..

link here:


all the best, Shpat