The "Blobby Boi" is an extreme accumulation of extruded filament around the printer nozzle and hotend. It is often caused by a , leading the nozzle to drag the model around while continuing to extrude, creating a "spaghetti" effect that eventually coats the hotend in a giant plastic blob.
The possibilities are endless with Blobby Boi! Here are a few ideas to get you started:
A Blobby Boi occurs when extruded plastic fails to adhere to the print bed and instead sticks to the hot nozzle. As the printer continues to feed filament, the plastic has nowhere to go but up and around the heater block. ext printer blobby boi
: The predecessor to ExtPrint3r, which laid the groundwork for extension-freezing methods on ChromeOS. Community Status
In the 3D printing community, this catastrophic failure is affectionately—and structuralist-ly—known as the The "Blobby Boi" is an extreme accumulation of
If left unchecked, a blobby boi can ruin your thermistor, snap heater wires, or destroy your entire print head. Fortunately, you can save your hardware with patience and the right technique. Step-by-Step Guide to Removing a Blobby Boi
This is the more insidious cause. If your nozzle is not properly tightened against the heatbreak (throat tube) inside the heater block while at printing temperature , a microscopic gap remains. Molten filament will slowly ooze upward through the threads of the heater block, spilling out over the top of the block and cascading downward until the entire structure is consumed. Step-by-Step Guide to Excavating Your Hotend Here are a few ideas to get you
The "Extruder Blobby Boi" is a dramatic, frustrating failure mode, but it is rarely fatal. Treat it as a learning experience that teaches you the limits of your print bed adhesion and the mechanics of your hotend. With a little heat, a pair of pliers, and a patient hand, you can clear the wreckage, optimize your setup, and get back to turning spools of plastic into beautiful, successful prints.
If the blob is too large or the heater block is damaged, you may need a heat gun to soften the plastic.
: While effective for a time, Google frequently patches these exploits. For instance, its predecessor ExtHang3r was reportedly patched in ChromeOS v135+.