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Printrbot Simple Metal Spool Guide for ALU handle

by nmackes Jan 15, 2015
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This works perfectly. Thank you so much!

I came looking for this after experiencing a print fail and finally figuring out what was wrong... I'm thinking an easier solution is to print or cut from a 1quart yogurt container lid, a spoke guard... I want to add the word "fender" in this comment because it was a word I used in my search that did me no good. Maybe it will help others.

I don't have a pic to post, but this works perfectly. We just got the printer last week and a spool of filament the day after, and that constant bumping and getting hung up was awful. Now I don't have to babysit the spool anymore, and for that, I thank you. :)

Thank you for sharing this. It worked like a charm in tandem with http://www.thingiverse.com/thing:901585

Printrbot Spool Spacer - Spool guide addon

I'm looking to add a 30mm horizontal spacer to it so the spool isn't in the way of the Z axis. Would you mind sharing the source files?

Would'nt mind at all. I originally designed it in solidworks and no longer have a solidworks license so I cannot export it to a step file or anything of the sort. But I will post the .sldprt file and an .ipt file for inventor.

Thanks a bunch! I've sent to a friend that has a SW licence and I've got a step file back if anyone needs it: https://dl.dropboxusercontent.com/u/8261336/3D/Spool_Guide.STEP
I think I might design the spacer as a new part that clips in yours.

Perfect. I have been using a roll of electrical tape ever since the first time my extruder nearly ripped its own head off after the spool snagged on one of the bolt heads.

Thanks, great fit and a great solution to the problem.

A must have !
Congrats ;)

You really shouldn't use that side of the printer for your filament. When your extruder goes too high (+100mm Z), it will push the filament roll and bend your holder.

Good thing you noticed that! I originally put it in that side because didnt want my printer to be heavier on the side that is the edge of my desk. I will have to swap it around if I print something tall.

I think the arm hits before the top regardless of which side you put it on. The Printrbot brand spools have a nice inner ring that might allow you to hold it off out of the way of the arm. I like your spacer a lot though. I had a few prints that failed because the screws on the holder slipped into the ribs on the spool.

Very true. On one side the stepper would get caught and on the other the arm would get caught. The spool needs to have a guide that puts it at least an inch or so away from the handle to be 100% reliable.

I had originally mounted mine on the other side as well because I had seen pics of people mounting it either way. I think the left side is better because it is more balanced, it is a more direct line into the extruder and you have a higher clearance on the Y motor. The Y arm sticks up higher than the Y motor and can just as easily interfere with the spool.