Thingiverse
Filament Spool Tower by ontherunstudio
by Thingiverse
Last crawled date: 3 years, 1 month ago
The spool holder that came with the Lulzbot Mini is a rectangular bar bolted at one end. It seems ready to snap off any day. I wanted to design a better spool holder. These are the design considerations:
• tool-less installation & removal
• closer to center of the print head's movement
• supported at both ends for stability and strength
• small rod diameter to minimize friction
• minimal gap between rod and hub to minimize swinging motion
• maximum strength for minimum filament weight.
You will need three round rods half-inch diameter and eight inches long. You can buy steel rods, round wooden sticks, or aluminum tubing at Home Depot, Lowe's, or any other hardware store. You can even order rods and tubing at exact length on Amazon. I think aluminum tubing provide a good balance of weight and strength. There was no sag or sway even with 10 pounds of weight.
The half-inch rod/tubing works with any spool hub that has an inner diameter close to half-inch. The ideal inner diameter is 14mm. I use this excellent customizable spool hub https://www.thingiverse.com/thing:2334107.
I use this spool tower on a Lulzbot Mini which has an opening of 170mm wide at the top. This can be adapted for other 3d printers. Just cut the round rods approximately 33mm longer than the width of the opening.
• tool-less installation & removal
• closer to center of the print head's movement
• supported at both ends for stability and strength
• small rod diameter to minimize friction
• minimal gap between rod and hub to minimize swinging motion
• maximum strength for minimum filament weight.
You will need three round rods half-inch diameter and eight inches long. You can buy steel rods, round wooden sticks, or aluminum tubing at Home Depot, Lowe's, or any other hardware store. You can even order rods and tubing at exact length on Amazon. I think aluminum tubing provide a good balance of weight and strength. There was no sag or sway even with 10 pounds of weight.
The half-inch rod/tubing works with any spool hub that has an inner diameter close to half-inch. The ideal inner diameter is 14mm. I use this excellent customizable spool hub https://www.thingiverse.com/thing:2334107.
I use this spool tower on a Lulzbot Mini which has an opening of 170mm wide at the top. This can be adapted for other 3d printers. Just cut the round rods approximately 33mm longer than the width of the opening.
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