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Wing Nut bed level screw knob for Anet A8 (and possibly other printers)

by ozfunghi, published

Wing Nut bed level screw knob for Anet A8 (and possibly other printers) by ozfunghi Dec 27, 2016

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32121Views 9510Downloads Found in 3D Printer Accessories

Summary

So you always wanted those nice looking bed leveling knobs all the cool kids have too, but you couldn't afford those expensive M3 screws needed for all the other designs? That's a thing of the past! Introducing the "Wing Nut Bed Level Knob"! Transform your plain looking and painful wing nut into a hip and convenient bed level knob and save $$$!

Yeah... so, just use the wing nut that came with the printer if you don't have regular M3 nuts and don't want to run to the store to get some. That's basically it.

EDIT: I also added the original design, which bumped into my printer frame since it was slightly too big, but it may be better suited for other printers.

I printed this at 0.2mm layer height, without supports. Used brim. Your basic settings should be ok.

ADDENDUM: They're supposed to be a tight fit so that they don't come loose easily. I think originally i used pliers to get the wingnuts to snap inside the knobs. I think if you turn them on the bed screws, by tightening them, they might pull the wingnut tightly inside the knob as well. Nevertheless, some people have increased the scale to 104% for a better fit.


YAY! 8000 downloads!

How I Designed This

In Blender.

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Awesome! Mine fitted perfectly at a 100% scale on my A8.

It does seem to print a few circular outlines in the center in the air though (see photo).
I suppose this is just a slicer artifact but maybe you can adjust to design to prevent this issue?
Didn't seem to cause any problems without supports though.

Fits mine perfectly. Thanks!

Great. Did you scale it any?

No, scaled at 100% and they all fit perfectly. :)

Printed 4 for my Geeeeetech :-) I3X. The "not for A8" file, scaled 104%. Perfect fit. Thanks!

Great! Good to know and cool that it works for other printers. Thanks for the feedback.

Has anyone had any issues with the right rear screw bumping into the rear frame? I'm pretty sure I have my bed squared up properly but the rear right rubs the frame. Even without this screw knob, the wingnut hits the frame if it isn't oriented correctly.

The knob doesn't hit my frame, but when the wingnut is 100% straight, the wingnut does. This is actually the reason why i designed the knobs to be less wide than the wingnut, and has the wingnut sticking out of the knob. Maybe you can sand or cut a bit off the frame indent so the problem doesn't persist.

Thanks for the info. I was thinking I had somehow built the frame incorrectly causing the wingnut to bump the frame. Glad to hear it's not just me.. I'll just sand down the frame to add additional clearance for the thumbscrew/wingnut.

I had the same issue, very close to the wing nuts even without the printed knob. Ended up printing nut holders about 5mm thick that clear the top of the frames.

My screws still turn pretty freely unless I hold the top with a screwdriver. I'm thinking of using some kind of adhesive. Anyone do this?

ive been thinking of maybe adding some solder or something. cause if it doesn't work solder can be removed easily

Thanks these helped a great deal. I took the advice about the rescaling of 104%.

I also had to increase scale to 104%. Bought my anet about a month ago.

Not to criticize - love the design!

No problem. Did you try to pinch them in at first? They're supposed to be a tight fit so that they don't come loose easily. I think originally i used pliers to get them to snap inside. I think if you turn them on the bed screws, by tightening them, they might pull the wingnut inside the knob. I added the info to the page.

I printed them for my A8.
I had to scale the Knob to 104%. Without this, the wing nut wont fit in the knob.
But after this they are really good! Nice Job

Well, glad you got them working, but you're the first one that mentioned having to increase the the scale in order to fit. Did you calibrate your printer, or check the measurements of your prints to your 3D files? It's possible those are off a bit. But anyway, good you got them working, i hope you will enjoy them.

Now they´re working perfectly!
And yes my printer is calibrated well. Maybe on the latest rev. of the printer the wingnuts are a little bigger.... or its spread for standard factory models.

That's very interesting. If this turns out to be the case, i hope others will raise the issue, so that i can add this info to the description. Thanks.

I drilled out the H frame and stuck these on the wing nuts. Leveling the base is now 2x easy. Thanks!

Great. Thanks. Glad you like 'm.

You may have to remix it in tinkercad to get them to work. I have seen others online saying that different anet manufacturer's have slightly changed items like wing nuts and screw placement. Some are even being sold with wooden press board frames or have been tronxy printers badged as an anet.

He used the large ones. The small ones should fit his A6.

did you drill out your H frame so you could level without a screwdriver?

Most people do, i believe. I did not, since i have a sensor. I did compress my springs all the way though.

These work perfect !! My fingers are actually saying thank you to you as well :) Everyone, if you have an Anet A8 or an A6 with wing nuts / butterfly nuts - this is a must print! This works out of the gate and should be print number two in my book after buying an Anet a8 :) I did all four once via duplicate in cura with no issues, took 54 min and 5 min for the install. Thanks for sharing ozfunghi, your work is excellent. The rest of us can now enjoy shiny nice looking bed leveling knobs :) GOOD WORK!

Comments deleted.

I've seen many people use these for an A6 without any issues. The small version of the knob is less wide than the actual wing nut (hence the wing nut sticking out on the sides) so i don't know how this could be done any better. Which version did you print? You'll probably need to print the same version as the A8.

yes sorry of course i printed bigger one :) i noticed jutst before minute.. thx for your reply

No problem (i also designed the bigger one first... also noticed after i printed it, that it was too big for the back side of the A8) ;)

lol, thanks, glad you like it.

very clever and useful. Thank you!

Happy to help! Thanks for the compliments.

Wonderful design!
Now I can spend my money on other useless things :D
Thanks!

Mission accomplished :)

love it!
Bed leveling is so much faster and precise now!!!

As advertized! lol

my bolts that go through the bed arent long enough to go through this knob and into the wing nut while still keeping the bed at the height that I need...

is there a way to lower the home height of the nozzle so I can lower the bed and get the bolts to go through the knob and wing nut?

You're using an A8? Sure, you can adjust the Z stop so the extruder homes closer to the bed.

Ah! I see now! Thank you. So obvious

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