Vicious1 and SteveC many thanks for info!
I also tried to draw the similar build as Camar 0’s and the Middle_Z_Rigid mods but finally became a variant with three tubes in the middle. Plastic parts are almost finished and I start to order other stuff. I plan to use T2.5 belt open ended polyester w / steel wire reinforced and SFU1204 Ball Srew.
I have build a modified version of Eustathios 3D Printer with E3D Volcano and plastic parts are very robust.
I order the 96 oz NEMA 17 then.
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