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30 Cool things to 3d print Always in 2021

 30 Cool Things to 3D print has taken the world by storm - and now it's time for you to get the trend. Troubled by 3D printing ideas? We have 30 3D printer designs for you to try!

3D printing is a fun way to create creative work - and it's completely off. Now, manufacturers are using this amazing new technology to create all sorts of wild and amazing 3D printer projects that were previously impossible to make at home.

Like us, you are amazed at the potential of 3D printing. Unfortunately, the landscape is cluttered with trinkets, duds, and ornaments. We risk drowning in 3D printed objects that no one wants or needs.

Fight the recruitment of normalcy! Let's make it useful! Here is a list of great things to do in 3D printing right now. Prove to your loved one that this amazing technology has a daily and practical application.

Baby Yoda

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

Thank you all for the fantastic support and downloads, we love seeing how far Baby Yoda is reaching and soon there will be much more for everybody going forward!

A cute Lil baby Yoda just in time for Christmas! Sculpted in ZBrush because he's just so darned adorable. Print him up for all your friends that are obsessed with this little guy- I know I will be printing quite a few...

Don't forget to "post a make" and follow if you decide to print one! We would love to see all of your end products! You can also look forward to other quality prints coming soon!

Where to download:  Thingiverse



Coffee Capsule Dispenser

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


Why pay for expensive products when you have a 3D printer at home? This Nespresso capsule distributor is both functional and simple at the same time. You can take the capsule out with one hand and for refilling, just take the dispenser out of the socket, flip it over, and put it on the new pack of the capsule. No capsule will ever land again!

Socket

There are 4 different sockets to hold anything in between 1-4 dispensers. A dovetail joint connects the two parts and holds them in place. The tolerance/offset of the joint is 0.08 mm, which seems to be the sweet spot between a snug fit and being able to disassemble the two parts without much effort.
If you decide to just print one dispenser you don't even need a socket. It turned out to be really stable on its own.

Where to download: 1. All print files Download
                                 2. All Model Files Download 


Parametric Butt Hinge

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

This is a parametric butt hinge designed in OpenSCAD, offering a wide range of parameters for customization. The hinge is designed to be printed in one step, but the individual leaves can be printed independently if desired. And in the case of applications that require an external pin, the default fused pin may be disabled, to leave a pin shaft ready to accept an external pin, during post-printing assembly.

Mask Strap 

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

This Surgical Mask Strap is designed to protect the ears when wearing protective masks. Intended to be used to hold the elastic straps of a surgical mask, to relieve the pressure of those on the ears. Apparently wearing a surgical mask all day can be hard on the ears.

Added hooks to fix the mask on the strap for more comfort when fitting the mask Separate part for left- and right-hander Material thickness reduced from 1mm to 0.8 mm to save printing time

Gear Bearing

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

The trouble with 3D printing a ball bearing is that spheres don't adhere to the 45-degree rule, so they tend to print poorly, or if metal balls are used instead, then the bearing requires assembly. This is a new kind of bearing that can only be manufactured by 3D printing and comes preassembled.

It is a planetary gearset and functions as a cross between a needle bearing and a thrust bearing. No cage is required to keep the rollers in place because their gearing keeps them perfectly spaced. The gears are all herringbone, which is why it cannot be disassembled and also why it can act as a thrust bearing. If you're wondering how well a 3D printed bearing could work under load.

Bag Clip with Screw Cap

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

I was trying to make a normal bag clip a bit more practical, so I don't have to take it off every time and just have to unscrew the cap.
The previous clip I was using was also bent because of the thick plastic foil of the coffee bag.
Works especially well for refilling the coffee on my coffee machine!

The air-seal has also been improved because of the better stiffness and two sealing grooves on the inside of the clip.

I also provided the f3d file and tried to make everything as parametric as possible.
You can change the parameters depending on your needs. The most important ones are hole diameter, clip length, and tolerance.

Where to download: Thingiverse

Baby Groot

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

Hello, version of baby Groot from the upcoming blockbuster movie "Guardians of the Galaxy 2". The model resembles the baby groots appearance in the trailers of the movie.
I recommend using the high detail version to capture all the details I put on. But if your slicer freezes/crashes, use the low detail version, as the high detail version has several million polygons and requires more RAM/computing power to be sliced. There are 2 versions of the model, one with brim and one without the brim. Use the version with the brim for better adhesion. You will have to remove the brim after print to assemble it. Last thing: The model may be rotated once imported. That's because Zbrush takes Y-coordinate to be the up-direction. Don't forget to rotate by 90 as in the photos. Happy printing.
Post update: Uploaded a non-separated version as some users wanted (height 15cm, untested, should be printed fine).

(Edit 3): As many people wishes per pm, I added the waving version (Tested and printed fine).
(Edit 4): I received a comment on the waving version and am told, that one hand is smaller than the other, and a Thingiverse user Devine (https://www.thingiverse.com/Devine/about) was very kind to send me a fixed version. I myself did not test it, but it should have addressed the above problem, plus this version has fewer polygons to solve some loading issues on weak machines. The file name is "Groot waiving fixed 1.stl".

Where to download: Thingiverse

Triaxial Tourbillon Clock Make/Mods

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


This original Triaxial Tourbillon remix is weight driven and the STLs are versions of A26's design that I modified to add support for ball bearings and some other features. Given the plastic escapement parts, this remix was never meant to keep the correct time, also it is very inefficient so the weight only keeps it working for a couple of hours. Therefore it is not a practical clock. I designed the 'Triaxial Quartz Movement Upgrade', which replaces the clock face in this remix, so it could be used to display the correct time when it was hanging on a wall.

The weight in this remix is painful to wind, so to make it easier to animate I designed the Motorized Astronomia. For the Motorized Astronomia, I basically started with a clean slate. All of the parts have been redesigned, with no intention to be compatible with my original remix.

Where to download: Thingiverse

Bulbasaur flower pot

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


 3D printed Bulbasaur flower pot Download files and build them with your 3D printer, laser cutter, or CNC.

Where to download: Thingiverse


Snap-on Filament Filter/Oiler

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


Dog hair, dust, and other small bits might get pushed through your extruder compromising, or completely wrecking a print. After designing a couple filters that were simply slotted cups, I wanted something a bit more refined and lightweight. So I modeled this. Has holes to drop in a bit of oil if need be.

Printed as one piece. Should hinge should be loose or break free with minimal force.

Where to download: Thingiverse

Screw measuring tool

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

Based on the idea of the user Sneaks made a measuring tool for metric screws.

This tool can measure M2-M10 screws with a length of 4-120mm

Where to download: Prusa

Trivenger Boomerang 

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


The Trivenger is a very accurate and easy-to-throw boomerang.

The flight is very stable, with a fairly high trajectory. The boomerang brakes very well on the return which allows it to be easily caught, even with a finger.

Where to download: Prusa

Geared SD Card Case with Snap-fit Hinge and Magnets


30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

This case features a geared hinge that provides a super smooth opening and is designed to snap into place to avoid using external components. The best part is you don't need support! Just orient the "case" with the gears pointed up and the "base" with the openings pointed up.

Where to download: Prusa

Faceted Vase


30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

Faceted Vase It is meant to be printed in vase mode. 

Where to download: Prusa

Bag Clip

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

An elegant bag clip designed to be printed in place as one piece with minimal supports. Once printed, the clip is freed into 3 hinged components. The design uses a specially designed cam to give the user a mechanical advantage and lock in place.

The clip opens to approximately 30deg and closes such that there is a clearance of 1mm between teeth. The tolerances were designed to provide smooth motion without any play when printed with PLA on an MK3S.

Starting from an open position, the curve on the first quarter-turn of the cam is designed to quickly bring the clip to an almost close. The next quarter-turn has a polar slope of 10deg (this was measured to be less than the slip angle for PLA). This section provides the maximum mechanical advantage and is non-back drivable. The last small portion of the cam has a constant radius to provide a satisfying lock.

Where to download: Prusa

Tension Meter for the GT2 belts

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

The model of the tension meter helps you control the tension on the belt of your Prusa printer.

It's specially designed to check the tension of your Prusa printer's belts. It works with Original Prusa i3 MK3/S/S+ with the belt GT2.

Where to download: Prusa

Small Clip - for herb bags & other packaging

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

use these mainly to close herb bags, but I've found they're handy for all sorts of packs, like breakfast cereals, tea leaf bags, etc.

Where to download: Prusa

Ratchets

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

Just a nice ratchet for holding you're misc. cables together.

Where to download: Prusa

Rotating Rings Toy

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

This is a pretty nice rotating rings toy that is perfect to use as a fidget toy in almost every situation.

Where to download: Prusa

Spiral Vase Mode Sierpinski Pyramid

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

This gcode prints this in a single perimeter and no retractions. Took some fiddling with the slicer, so I thought everyone would like it pre-sliced for their Pursa.

Where to download: Prusa

Phone holder

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021

simple and handy mobile phone holder 

Where to download: Prusa

Reindeer Christmas Card Snap

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


This little snap-together reindeer is a perfect giveaway or present for Christmas. It's very easy to print and looks quite good.

Where to download: Prusa

Moon Lamp

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


This is a cool lamp. Maybe a gift. This is easy to print. This is an eye-catcher. This takes 2 days to print.

Where to download: Prusa

Flexi Rex

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


Flexi Rex, This is an improved version of the classic Flexi Rex. Somehow this version became the most popular one, maybe just because it doesn't break easily when handled by kids.

Where to download: Prusa

Fidget Infinity Cube

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


Fidget Infinity Cube features easier-to-print joints, more durable construction, and a design that should be more compatible with a range of print settings. I highly recommend printing this Fidget Infinity Cube version.

Where to download: Prusa

Avocado seed floater

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


No more toothpicks and refilling the water every day! With this floating grower, the avocado seed will stay submerged evenly for weeks! As the water evaporates, the floater will simply go down with the water level.

Once the avocado is grown and ready to be planted in soil, simply remove the two clips and split the grower in half. You'll free to avocado and can re-use the print for your next seed.

The g-code with clips includes 6 of them because they are tiny and print really fast. Otherwise, the printer would have to slow down anyway to let the layers cool down.

Where to download: Prusa

TREEFROG

30 Cool things to 3d print Always in 2021
30 Cool things to 3d print Always in 2021


Great showpiece or gift for your friends. Treefrog is commonly used as a 3D printing benchmark. We prepared the file at variable layer height 50 - 120 microns layer height to show you what your printer is capable of 🙂🙂

Where to download: Prusa










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