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Left: Maximum build size on a MakerBot Replicator 1: 150mm
Right: Near maximum build size on the Unofficial ReplicatorXL: 248mm (I think it can go to 255 or so)
Custom Replicator case increases build height by 100mm.
Almost 10" tall print - 248mm to be exact - my tallest MakerBot print by a mile. I think I can go to 255 total now? Custom Replicator case increases build height by 100mm.
The Z-axis nut needs to be moved from above the platform to below it, or the z-axis won't have enough travel. Custom Replicator case increases build height by 100mm.
The cut files on Thingiverse for the Replicator case ( www.thingiverse.com/thing:18813 ) are NOT right, and not the files used for production. The Mightyboard has moved, so I needed to 'edit' my case with a dremel.
Bottom view of the heater block mounted to the heat spreader bar and XY plate. Note that the heater block has been put on at an odd angle owing to the large head of the M6 bolt. Consider using a M6 bolt with a smaller head such as a socket cap head.
Assembled extruder with heatsink and 24 VDC fan, front view.
Be sure to use a 40 x 40mm 24 VDC fan. MBI uses approximately a 5 CFM fan, but you can get much better, quieter fans which move more air (higher CFM). The fan shown is approximately 7 CFM. Note arrows molded into the side of the fan and orient the fan such that it blows towards the heatsink.
Top view of the heater block mounted to the heat spreader bar and XY plate. The top of the thermal barrier tube should not project above the M6 hex nut. Try to keep the sides of the M6 nut parallel to the long edge of the heat spreader bar. This helps prevent interference with the face of the extruder stepper motor.
Let's see:
- Minimalistic MK8 Extruder (Dual): www.thingiverse.com/thing:28241
- Beefed Up Replicator Extruder Bracket: www.thingiverse.com/thing:33589
- (Unofficial) Replicator XL Case: www.thingiverse.com/thing:33265
- Replicator HBP Support Upgrade: www.thingiverse.com/thing:35059
- RepXL Panels and Doors: www.thingiverse.com/thing:33269
- Replicator 3mm Hood and Cover: www.thingiverse.com/thing:23386
Probably some other things I've forgotten.
This is just one style of mounting the Y axis endstop. If you instead use
www.thingiverse.com/thing:357587
you may find yourself doing something different. Or if your mount can clear the Y rod mounts, then you may be able to engage the upper portion of the X axis rod holders which ride on the Y rods.