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Tapir Shroud v4.9 for Ultimaker

by nhfoley, published

Tapir Shroud v4.9 for Ultimaker by nhfoley Jun 22, 2013

Description

This is a redesigned fan shroud for Ultimaker which drastically improves the ability to print overhangs without curling.

The fan mounts to the shroud using #2 x 0.5" plastite screws. The shroud mounts to the ends of the M3 thumb screws using more #2 x 0.5" plastite screws as pinch bolts. Trimming some excess length off of the M3 thumb screws will result in a cleaner path for the air internally, but probably isn't necessary.

There are two versions: an standard Ultimaker version, and a version for Ultimakers equipped with a replacement brass tube from Makergear. Both seem to work great!

Recent Comments

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nhfoley - since the disquss module seems to be broken at the moment, I can't comment on your post on my Make.. Yes, I see now that my heater block is oriented incorrectly. I will re-orient it tomorrow. woops.
Perfect. PM sent.
Send me your e-mail in a message here on Thingiverse and I can send you some pictures! :)

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Instructions

200C, 70mm/s, 0.10 Layer height, 0.9mm walls, 30% infill, no support worked for me. Going slower will make the overhangs easier.

The irony with the design is that it may not be printable without support using the original UM fan duct due to the extreme overhangs...

It is important when installing this that you orient the heater block so it isn't touching the printed duct. It is also important that you keep your thumbscrews tight so that the heater block doesn't rotate over time into the duct.

nhfoley - since the disquss module seems to be broken at the moment, I can't comment on your post on my Make.. Yes, I see now that my heater block is oriented incorrectly. I will re-orient it tomorrow. woops.
Just for information - is not fitting to my Rev.4 Ultimaker.
I tried to install it but it touches the heating block when installed in a way that it is centered. installing it that it will not touch, the nozzle is not centered and it is app. 5 mm too long so it touches the print bed before the nozzle will do...
I have the same issue with my Rev 4 Ultimaker. If I try to mount it with the heating block in the way it should it will not mount. If I turn the heating block 90 degrees it might work. But then when I tried to "pinch" it to the rods holding the print-head together it will not pinch enough, the hole is to big. :(
Not sure what's going on here, but i'll try to figure it out. Like I said, I have two copies of the latest version (v4.9) in front of me and it works very well. Heater block orientation is certainly critical.
Send me your e-mail in a message here on Thingiverse and I can send you some pictures! :)
Perfect. PM sent.
Hmm, are you sure you've downloaded the correct version? I have the v4.9 shroud installed on a stock UM in front of me and the fit is great.
Any update on the version for the stock Ultimaker? I'd love to give this a go as I'm seeing more and more issues with the stock solution, lots of parts fail to print well due to the biased cooling on the one side.
Sorry, took me way longer than I anticipated, but I've uploaded this version now. I haven't tested it extensively because my stock UM still needs some assembly, but the previous version has been working beautifully for a while now.
Thanks, I'm not sure why but Disqus doesn't seem to be that reliable at providing me with notifications so I've only just seen your reply. I'll try and give it a go when I can and let you know the results.
Looking forward to seeing a stock ultimaker version. Happy to test it on mine.
BTW, if anyone can measure the "Aluminum Plate to Nozzle Tip" distance on a stock UM, I can adjust this model so that it works.
Hi,

Distance between alu-plate and nozzle is 33.5 mm.
Would love a version for the stock UM. Thanks in advance.
Added this variant. Let me know how it fits.
Thanks. But could it be you uploaded the Makerbot version twice? I can't see any difference in the two new 4.8 versions.

Anyway, the stock version is a few mm too high. Also, could you take into account the nylon washers (about 3mm) one normally uses to stop the PLA from melting?
Hmm, it's definitely possible that the wrong versions were uploaded. I'll look in to that. I don't know what those nylon washers are though. My ultimaker didn't come with them.You're saying they go between the aluminum and the fan mount?
Yes , I use them between the alu-plate and the fan mount to prevent metling of the PLA-fanmount. They didn't come with the Ultimaker but I had them in my stock. I read on the Ultimaker-forum that more people are using nylon washers when using a printed fan mount.
Yeah, looks like the Stock UM Variant didn't rebuild properly. Thanks for noticing that. I'll try to fix it, might take a day or two though.
No problem. Looking forward to it.
Hey there,

this looks promising! Could you please provide the model in STL file format as not everyone may have SolidWorks...

Thanks!
Whoops, I included the stl yesterday, but thingiverse was having some serious server issues at the time and it must have been lost. Thanks for the heads up.
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