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Customisable spool arm for Wanhao i3 Duplicator

by abu_rashid, published

Customisable spool arm for Wanhao i3 Duplicator by abu_rashid Jun 30, 2016
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Summary

The stock spool arm on the i3 is not long enough to hold a lot of spools, so this replacement should fix that. Alternatively can be customised if you want it a different size from my version.

Printer is also re-badged as Aldi Cocoon Create, Maker Select, and Malyan M150 i3 3D

Update (2016-07-04): Added STL for NoSupport version. Can be printed without any support material.

Update (2016-07-11): Modified SCAD file to allow generation of NoSupport version

Update (2017-06-06): Applied fix to SCAD provided by cmh (thanks)

Print Settings

Printer:

Wanhao i3 Duplicator

Rafts:

No

Supports:

Yes


Notes:

Print it with the thread at the top, so the supports don't mess it up. Best in ABS as PLA will break too easily.

How I Designed This

OpenSCAD

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Jul 10, 2017 - Modified Jul 10, 2017

Is there a printable nut to use with this? Seem like the nut that comes with the monoprice select plus is not the right size. ..... and never mind I just cranked it on ... nothing broke so all good.

I designed it to be the same size as the stock one on the wanhao original.

But I could design a nut too if you like, it's all using openscad, so shouldn't take long..

Jun 5, 2017 - Modified Jun 5, 2017
cmh

I printed the first version as one of the first things for my Maker Select a while back, and it moved right over to my Maker Ultimate when I upgraded. Recently I wanted to reprint and make it narrower, so I grabbed the SCAD file and changed the spool_width from 100 to 66, but I discovered the angled cut on the bottom of the cylinder was based off the 100mm length. To fix this, I changed line 19:

19c19
<                 rotate(90) prism(spool_width, spool_radius * 2, 200);
---
>                 rotate(90) prism(spool_width, spool_radius * 2, spool_width * 2);

with this change, changing the spool width causes the angled cut to be updated appropriately. With that update, I was able to reprint at the 66mm width. I'll have to get a photo of it so I can post the make, but it went right off the print bed and onto the back of the printer. :)

I could do a remix but since it's one small change in the code I figure I'd mention it here if you wanted to update the original code.

Thanks. I remember having some trouble with the scad code when I made this, and I forgot all about fixing it up. I'll integrate your change and upload it again.

May 16, 2017 - Modified May 17, 2017

My fist attempt at printing the non support solid file failed. 2 days into printing at 62% the spool holder tipped over off the raft. I am going to attempt again with partial fill to cut down on print time. The printer is a maker select plus. Very new to 3d printing so probably my fault.

I didn't print it with a raft, stuck to build plate just fine.

Comments deleted.

Sounds like you've got some real nasty friction going on there.

My spools have always moved quite smoothly over this. I did just see someone post an image of their spool sitting on 4 rollers, which looks really cool.

Apr 30, 2017 - Modified Apr 30, 2017
Pumpal - in reply to abu_rashid

Man, I just saw I commended under the wrong thing, LoL :)

LOL no problem :)

Thank you, Abu! This is the second useful thing I've made, and my first mod for my Maker Select V2 printer.

Glad it was useful, regards!

This is the best one yet. Fits the 9cm spool, and the default nut on a Monoprice Maker Select v2. Thanks for doing this. Also, for anyone reading for decision, I suggest to print the one that does not require supports, as the extra filament to print supports matches or exceeds printing the of that one.

Glad you got some use out of it!

this fits the Wanhao D6 perfectly with the factory mounting potion and factory nut.

Glad to know!

I used 99%, because I wanted it to be as strong as possible.

I used 99%, because I wanted it to be as strong as possible.

I have one printing right now, it is my first abs print. So far so good!!!

Excellent, how did it go?

Thank you for this, I have been searching for something like this about a month now, and I'm to lazy to make it on my own (really just to busy).

Glad someone else got some benefit from it!

This works great on my Monoprice Maker Select V2. Thanks!

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