Higher OB1 printer design
by jbernardis, published
The first image shows the height limit I was reaching on the unmodified OB1. The X belt was hitting the frame while I still had quite a bit of vertical room. The other images show the new corner, the new apex, and the entire modified printer.
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It is still very rigid. If I had gone another couple of millimeters, I could literally raise the extruder through the gap and get even more height. As far as accessories, I have a spool holder mounted on top in the center - you can see the bottom of it in one of the photos, and I have some LED banks mounted on the front off the two wings. The only issue I'm having now is that at that height, the filament seems to have a mind of its own. Instead of paying out smoothly from the spool, sometimes loops of it will be under enough torque to come down below the frame and encircle the extruder. I'm trying to rig up a central guide to limit the filament path.
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