3DUPFitters Prusa i3 MK3S/MK2 Acrylic Enclosure Kit


The only thing the Prusa lacks is an enclosure to make full use of its capabilities, as well as retain the smells and air contaminants from melting plastics. This is a professional-grade, cool-looking enclosure you can assemble in about an hour, and works with a perfectly stock Prusa i3: no modifications needed.

Manufactured in: United States (US)

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3DUPFitters Prusa i3 MK3S/MK2 Acrylic Enclosure Kit

3D Printer Not Included

The Prusa i3 line is based on the RepRap open source hardware, but has the capabilities, fit and finish, and attention to detail of a much more expensive printer. In a market awash with inexpensive printers full of crappy parts that wear out quickly, everything about the Prusa i3 is quality: a hot end that can print anything, a best-in-market removable bed, and a slicer tuned to make the most of the printer.

The only thing the Prusa lacks is an enclosure to make full use of its capabilities, as well as retain the smells and air contaminates from melting plastics. This is a professional-grade, cool-looking 3D printer enclosure designed specifically for the Prusa i3 you can assemble in about an hour, and works with a perfectly stock Prusa i3: no modifications needed.

Advantages of Adding a 3DUPfitters Enclosure

Better quality prints because the ambient temperature is controller
Provides cool air to the power supply with no modifications to the printer
More flexibility to print different types of filaments, including ABS
Optional fume filter to reduce smell or vent to the outside (sold separately)
Thick 6mm acrylic doors and 3mm sides

The enclosure works by retaining the heat from the bed to bring the ambient temperature up high enough so that ABS and other filaments that expand when they cool are stabilized. If you add the optional charcoal air filter, the fan will draw cool air across the power supply where it is heated by the supply, and then gently circulated throughout the enclosure (providing a steady air temperature) and then out through the optional filter to reduce smells or straight outside using the vent adapter.

Note that because of the close tolerance around the power supply, the height of the printer must be stock for the MK3 with its rubber feet. Theoretically the MK2 will also work, but getting it to be the correct height will involve the user of one of the many feet available on Thingiverse.

How it’s Built
All of the plastic parts are 3D printed in ABS to withstand the heat from the enclosure. The panels are cut on a CNC or laser and then flat packed for your assembly. All you need for assembly is just a hex wrench and a small phillips head screwdriver. (not included.)

* Outside dimensions 21.5″ (Deep), 22.64″ (Wide), 20″ (Tall).
* Fits the Prusa i3 MK3/MK3S and the MK2 with DIY feet. It has NOT been tested with the MMU version.
* Acrylic spool holder
* 6mm acrylic front panel with frame, doors, injection molded hinges, magnetic latch, custom designed latch mount in ABS, steel strike plates, and matching screws.
* 3mm acrylic sides and top with access ports for cables and filament. There is no bottom. The enclosure is designed to sit on a flat surface that acts as a bottom.
* 140 screws, nuts, bolts, all connecting plastic pieces and miscellaneous parts.

Add-ons Sold Separately


Upgrade to an active charcoal filter and fan to reduce fumes
Upgrade the plastic knob to knurled steel
Put your logo on the front or sides!
The outside venting system will send potentially dangerous and definitely odorous fumes outside. We supply the fan and 4″ dryer hose adapter, you get the rest of the parts from your local hardware store
Interior LEDs
Temperature gauge and custom holder

We strongly suggest you read the Installation Manual


Weight 12 lbs
Dimensions 30 × 5.5 × 24 in

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Dear Customer, if applicable, the Product Documentation, Reference Materials, CAD or Drawing file(s), Manuals and Tutorials will be available for download upon purchase. The order confirmation email will include a Downloadable Link to the product file(s) which can also be downloaded from the My Account section if needed. If you can’t see any of these files in your account, please contact us immediately. We’re here to help, whenever you need us. Thank you.

If you have any questions with regards to this product, please fill out the form below. When you submit this form, the product URL will be included automatically.

I’d been keeping three 3D printers busy nearly 24/7 for a while and aside from the noise, it didn’t bother me. But when a significant other moved into the house she noticed right away: the smell of plastic permeated everything, and the long term effects of breathing in plastic fumes regularly can’t be good, especially on kids.

Since enclosures can both reduce fumes and help you make better prints, the answer was a win-win for everyone. But once you automate making three, its easy to make more, so I bought a few extra sheets of acrylic and put up a website.

I realize there are lots of DIY enclosure projects out there, and people build their own all of the time. In keeping with that spirit many of the designs are also available on Thingiverse, so if you want to build it yourself, go right ahead.

But for those of you who would rather be 3D printing than figuring out how to make a DIY enclosure out of Ikea parts, these kits are beautiful, furniture grade, easy-to-assemble 3D printer enclosures and accessories.

For not much more than the price of buying the materials you can have a beautifully designed enclosure that you’re proud to display in your office, living room or even the garage. All of our products are manufactured and shipped from Greensboro, NC, and created mostly on American-made equipment. We know our enclosures work well because we use them every day to churn out ABS enclosure parts.

Shipping costs

Country State Cost
United States (US) North Carolina $20.00
United States (US) Ohio $40.00

Shipping Details

Shipping from United States (US)

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