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A single fan mount for a stock Rigidbot. The duct blows on the nozzle tip to avoid heater block temperature fluctuations. Requires no additional hardware to mount the duct. Clears the bed by 2 mm and does not touch the rails.
This is simply a modification of my dual head mount with the second head features removed. The dual fan images shown are for fan type and mounting reference.Instructions
This is a variation on my original dual fan design. Modeling software used was trueSpace 6. The Source STL file will import directly into tS with the scene units in inches and the object units in mm. The Cura STL file is pre-scaled and oriented for printing.
Printing this will require support material to be turned on for best results. I printed the dual fan version with a 0.1 mm layer resolution. It should print in under 4 hours. This resolution results in a very nice snug fit over the extruder mounting plate.
Only the one hex screw needs to be removed and will counter sink back into the hole to lock the fan mount in place.