I know people are having consistent success with their BigBoxes. I'm just not one of them. I thought my delta was persnicketty, but at least when I got it dialed in, it stayed that way and performed consistently. The BigBox, on the other hand, I have zero confidence in. It will print reasonably well for one job, then I'll turn it off, turn it back on again, and I have NO idea what it will do. My biggest problems are with the distance between the nozzle and the bed, and the movement of the bed (so, I guess, homing, Z offset and auto leveling). I will home it, autolevel it, store the memory and get a decent (though by no means really good) print. Then I'll power down, come back later - often with the exact same gcode - and the printer might start printing 3 or 4 mm above the glass. Or it might, as it has been doing this evening, refuse to lower the bed during the intial dock/purge, so the nozzles hit the edge of the glass when leaving the dock, and scrape their way agonizingly to the middle of the bed where the extruder starts skipping like mad as it tries in vain to squeeze out some filament through a nozzle that is pressed firmly to the glass. The dragging across the plate also, of course, torques the hotends all around, and readjusting them with the grub screws is imprecise at best and nearly impossible at worst. I know from experience that this is not a set it and forget it venture, but I would really welcome suggestions for at least getting to the point where I can trust the thing not to try to destroy itself when I turn it on. It's a BB Dual, with original firmware. Should I update the firmware? Change something in Simplify3D? Make a BigBox shaped hole in my wall?