26 Free 3D Models, Mechanical CAD Designs, and Downloadable Inventions

26 Free 3D Models, Mechanical CAD Designs, and Downloadable Inventions

Not everyone can be an expert freelance CAD designer, but you don’t have to be to build whole worlds using 3D models. Some websites allow you to download free 3D models that you can use to flesh out game worlds, redesign your home, or use just for fun.

There are a lot of uses for these models, ranging from 3D printing objects you can use in your own home and creating new inventions to trying out the inventions of other people.

Here are 26 free 3D models, mechanical CAD designs, and downloadable inventions from Cad Crowd—and there are hundreds more. We’ve selected some of our favorites, but you can always see more by browsing the hundreds of 3D models and designs available.

Around the House

Fairy Lantern by LightandShadowDesigns

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Do your kids hate going to bed at night because of the monsters in their closet? This fairy lantern can be 3D printed using two files. Place a powerful LED light inside and a fairy, moon, and stars will shine on your child’s walls. What a fun way to get started with 3D printing!

Face Mask by Fadi Sayegh

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In the face of the current global pandemic, it’s tough to find a quality face mask. Fortunately, you can 3D print one yourself that uses negative air to keep germs out of the air you breathe. Just add batteries, or if you want, the 3D model can be modified to use a solar panel to charge instead.

Alien Phone Case Hugger by Sabrina

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Are you a fan of aliens? This alien hugger is an iPhone case made out of thermoplastic polyurethane. There’s a creepy alien attached to the case which serves as a talking point, and it’s especially durable.

Cafe Sign by LightandShadowDesigns

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Do you love coffee? This cute project will allow you to transform a corner of your home into your own personal coffee corner. The hooks allow you to hang your coffee mugs or even a French Press, and it’s 3D printable.

Impossible Box by LightandShadowDesigns

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Bug your friends endlessly with an impossible box. This box is made with a ball that’s too big to fit into it—because the ball was 3D printed into the box. It’s a clever design, and a way to keep guests busy in your office or living room while they wait for you.

No Touch Grocery Basket Handle by penauleau

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Sure, they say they sanitize the handles of the baskets after every use, but do they really? If you don’t want to take the risk, this basket hook is for you. It fits traditional grocery baskets and was designed in SolidWorks for 3D printing.

Mug Hanger by anastasisc

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This downloadable mug hanger is meant to be 3D printed in small parts so you can avoid excess scrap. Organize your mugs in a delightful way on your kitchen counter with this new 3D printed accessory.

Video Game Models

3D printed household goods aren’t all 3D models are good for. If you’re planning to create a video game, here are some exciting models you could use to populate your world with.

Roman Sword by NVModeling

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Every hack n’ slash game needs swords for weaponry. This 3D model could be the weapon your characters need.

Character by Kathowse

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How about an adventurous lady ready to get sucked into the next adventure? This model looks like she’s ready for adventure, what ever that may entail.

Rhino by Chromatophore3d

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This realistic rhino is ready for your next virtual safari. The realistic skin is especially impressive.

Sea Helmet by Beto Fernandes

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This fantasy diving helmet is begging for an underwater adventure. Imagine using it as a pirate treasure for an adventure aboard a fantasy submarine, or as a museum piece.

Monster by GameYan

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Need a monster for your hero to fight? Need a misunderstood main character who is just trying to defend a lost artifact? This monster is perfect.

Sci-Fi Car by marknormington

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This sci-fi car is ready to carry your characters through combat zones and beyond. It’s realistic enough to be some sort of advanced prototype on earth.

Pirate by GameYan

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Liven up your ocean adventure with this pirate character. Perhaps the pirate has stolen the sea helmet and is trying to make his getaway.

Robot Wasp by Chromatophore3d

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Because every game needs a mob this scary.

Architecture

These cool 3D buildings can help you find your dream home, plan a game city, or give you ideas for a real building.

Apartment Building by Mahedi

Apartment-Building-by-Mahedi

This stately apartment building is ready to house new tenants.

Hardware Store by Thinaguru

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This hardware store is ready to do business in a busy metropolis somewhere.

Large Apartment Building by Steve Biko

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If you’re looking for multiple ideas on apartment buildings, here is a second design.

Play Place by Oil_LandscapeDesign

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Take the kids to a fun adventure in this imaginative fairy play land. This fairy land looks like its the perfect place to explore, or just keep the kids occupied on a spring day.

Club Building by AmitKumar

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Finishing our list of great architecture is this club building. A perfect place for getting together with friends.

Baroque Building by Flaviano

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Are you looking for a building that makes a statement? This might be the one for you. The beautiful details on this building look like a capital building or other important architecture, which is a must for any 3D city.

Interiors

Need to fill in an interior space with beautiful designs, chairs, and other props? These designs have it handled. Whether you need individual pieces of furniture to design the interior yourself, or you want a fully finished interior to plug into a building, these models have plenty of options for you

Chair by Igori

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A comfortable chair to fill your 3D home with.

Office Interior by Ar_ Mahedi Hasan Brinto

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Need a quick design? Here’s an entire office all designed at once.

Kitchen Interior by trygvestudio

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Want your homeowner to see what their dream home might look like with a full kitchen? Here’s a sample design to admire.

Living Room Interior by trygvestudio

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A beautiful living room for an apartment, home or hotel.

Waiting Area by noha

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A fancy waiting area for a trendy hotel.

Cad Crowd’s 3D Modeling Experts at Your Disposal

No matter what you’re looking for, from schematics for car parts to architectural wonders, there are thousands of free objects on Cad Crowd. There are hundreds of free objects, designs, and downloadables there to help you in your own creations.

If you need something custom made, we can do that too. Contact us today for a free quote.