So i have these 3 Z designs to choose from unless someone else has something better. No cantilever designs as this is going to be 400X400 heavy bed assembly. I have had reviews that the 3 leads and 3 rods is over constrained but not on the 2 leads and 4 rods which i dont understand as i have 6 points of contact with each. The rods will be have solid steel mounts. We can talk about lead mounts. I want to hang the leads as it seems s much better to hang the bed then push it. With the 3X3 bed assembly i cant hang the bed as the belts would inhibit the ease of filament to the X carriage so i put the leads on the bottom, or i threw up a few more pulleys and longer bed to make it a square. I feel i need to motors as the weight of the bed would be to much for one. the only problem im having with 2 seperate motors is keeping them sinked, but will this be much of and issue? i do plan on running the through a belt to drive each lead as seen in the 2X4 setup. I wnt to hear what you think of the designs spacing, mounting driving etc. i want to start building but am having an issue getting this Z thing figured out. i would like to go linear guides but dont see the funds to do so unless i go cheap shitty china.
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