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Description
hobbed gears MK7 Hobbed Gear - 1.75mm Direct DriveThese precision made hobbed gears are designed to be attached directly to a stepper motor with a 5mm shaft. They grip tightly using an M4 grub screw. Many direct drive extruder setups are designed to work with gears such as these see Thingiverse for different designs. These gears are designed to work with 1. 75mm filament, and do so perfectly. They will physically work with 3mm filament, but you will need a very beefy stepper motor.
These precision-made hobbed gears are designed to be attached directly to a stepper motor with a 5mm shaft. They grip tightly using an M4 grub screw.
Many direct drive extruder setups are designed to work with gears such as these - see Thingiverse for different designs.
These gears are designed to work with 1.75mm filament, and do so perfectly. They will physically work with 3mm filament, but you will need a very beefy stepper motor.
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4.5 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Zinnia flower seeds are great
Style: Zinnia Dahlia
I love the seeds there sprouting so well we got some for me and my daughter to try out and we love them. We will be buying more seeds soon or we would love to test seeds out if you ever decide to choose us.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Levoit is Greatness
Color: White, Size: 42 inches Wifi
I was in the market for another higher level oscillating floor fan and the following outlines why I purchased the Levoit Smart 42 inch Tower Fan.
Performance:
The air volume, speed and reach is fantastic for this price level. It is not quite as powerful as my Vornado OZI42DC, but this Levoit far exceeds the needs of my living room and it is quieter than the Vornado.
Features:
Energy efficient is a plus. It also includes a full featured remote control, but I was very pleased that included WIFI and VeSync smart phone app integration. Easy, one app control for my Levoit fan and Levoit air purifier. This fan has 12 speeds and 4 modes of operation providing considerable flexibility. I really like the Auto mode speed option that utilizes room temperature (built in thermostat) to determine variable air flow. In addition this fan has an easily removable back plate for cleaning the unit to ensure long term optimal performance.
Design:
This fan is a permanent fixture in my living room so appearance is an important aspect to me. The Levoit is visually elegant in comparison to similarly priced offerings. It looks like a high quality fixture in the room. Nothing cheap or industrial looking here. I also appreciate that I can turn on or off the visual display on the front of the unit.
Overall:
I am extremely happy with this purchase. It checks all the boxes I desired in a high quality oscillating floor fan. Levoit will be my go to brand for any future purchases.
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Reviewed in the United States on June 17, 2025
★★★★★ 5
Best fan you can Buy!! 🤩
Color: White, Size: 42 inches
I’m about to give you the best review of this fan! Let’s get right to it. When you buy this fan, buy the 42” not the 36” better to have more air and not need it than want more air and not have it. The features of this fan are great! It’s super quiet! You will have no problem sleeping at night. 5 fan speeds ensures you have plenty of air and it’s powerful! It blows naturally cool and has a temp thermostat to match the room. The remote settings are great, no need to get up!
You can adjust the speed, oscillation and you can turn of the beep sound it makes to not disturb anyone in bed with you. If you press the night mode button with the moon on it, it turns off the beep sound and the display on the fan so it doesn’t disturb your sleep. The display is bright and shows the fan speed and setting on the front. One press of the moon button, and it goes away while you enjoy your sleep at night. Press any button, and it comes back on and then will turn back off until you press the moon button again. Absolutely amazing fan. Very reliable, easy for anyone to use.
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Reviewed in the United States on April 9, 2026
★★★★★ 5
LIFE CHANGING PRODUCT!!
Color: White, Size: 36 inches, Color: White, Size: 36 inches
I absolutely LOVE this tower fan!! I bought the 36 inch & I don’t know how I ever lived without this now! I’ve become so spoiled now by having a wide distributed airflow on me and would like one in every room. This fixed my sleep problems as a woman going through perimenopause, I no longer wake up hot. I LOVE the little remote right on my nightstand and all the many features it offers including different levels (I’ve only needed it up to level 3 so far) and auto shut off. Unlike a traditional fan the air blow is distributed over a wider area so it hits not just my face but the entire bedroom has air movement if desired. And wonderful because it’s silent and you don’t even know it’s on. This has to be my favorite product ever purchased on Amazon! No complaints, this is HEAVEN SENT! My only regret is not purchasing it sooner.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Excellent fan, moves a lot of air a long distance, and is very quiet
Color: White, Size: 42 inches
We have the other type of Levoit standing fan which is super quiet and moves air nicely inside a room. But we have one side of the house that gets little air flow in general, so we bought this to try and improve the air flow around the house by directing air from one side to the other. We have been using a Vornado fan for this in the past, but the air flow it produces dissipates too quickly and the damn thing sounds like a small jet engine.
So as we had such a great experience with the other Levoit fan we tried this one. It is very expensive, and there are cheaper ones available, however we felt that longer distance airflow and quiet were very important to us.
We are not disappointed. This fan is really quiet, on lower settings it is whisper quiet, perfect for moving air and still being able to work, or be in a video call. On the highest setting it does make some noise, air moving quickly produces turbulence, there is no way to avoid it. But the noise level is low, and not very noticeable. However it moves huge amounts of air, an directs it very tightly. It does not dissipate even after 30-40ft. Great for moving air around a house.
On the down side, it only has 5 speeds, and it only rotates 90 degrees. The other Levoit fan has more options to control the air flow. It displays the temperature but only when changing the settings. It would be nice to have a button on the remote to display temp, even if just briefly. The auto program has no hysteresis when changing fan speeds, so when the temp hits a point where it is going to change, it keeps speeding up and slowing down every second or two. With that the noise becomes noticeable for a while. A 20 second or so hysteresis delay would solve that issue.
On the major up side, it is as quiet as advertised, it blows huge amounts of air, even on the lowest setting it moves enough air to slowly flap paper 50ft away, and you cannot hear it. The remote is good, and there is a little nook to store it in. You can have it set to not display anything, so it stays dark at night, the timer works well, although we find we don't use it. It is very easy to open and clean.
In short, even though it cost a premium price it ended up being worth it, and now is in use 24/7. Would definitely by again if we needed another one.
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Reviewed in the United States on September 24, 2025