ZEROG Mercury One.1 v1.1.6 inside stepper towers modified
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stepper towers for enclosed build of mercury one.1 Using D5x40xM4 shoulder bolts in place of M5 dowels
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I have two problems with the stock mercury one.1 tower: They stick out from the back and under heat and stress they bend, this make the belt rub on the idler, causing excessive wear and tear. The latter could be explained by my poor choice of material: PETG,
So, taking inspiration from mhunley123's inside frame stepper towers, I designed something similar with some modifications: firstly, his design only uses 2 M5x50 diagonally for each side, similar to the stock towers, and this could cause the two unsupported side to gradually flex, so I decided to use some D5 + ( M4 x 0.7mm ) 304 stainless steel Socket Head Shoulder Bolts Stripper Screws - AliExpress 13 instead of M5 precision dowel pins on the corner bearing stack, this give the corner a much needed reinforcement, another M5x50 can be bolted with a nylock nut on the free hanging side of the tower to further clamp the two halves together
Printed with PETG, 6 perimeters, 6 top and 6 bottom layers
