Bambu Lab A2L Enclosure Kit

Clearview Plastics · Bambu Lab A2L Enclosure · Also available for the A1

Nothing stands between your print and the room.

An A2L is an open-frame machine. There is no shell, no door, no filter — whatever comes off the plate goes straight into the air you are standing in, for the whole length of the job. On a CoreXY printer an enclosure is a second barrier around an existing one. Here it is the first, and the only. The A2L's larger build volume means longer jobs, which means more hours of it.

The Clearview enclosure puts a defined volume around the machine, then gives that volume somewhere to send its air: filtered cool intake low, active exhaust high, and 120 mm ports that take any of our filters. On this design the intake is doing two jobs — feeding the filtration path and carrying cool air across the printer chassis. Bolt-on, CNC cut, 60 to 120 minutes to assemble, no modification to the machine.

A2L — 23″ × 31″ × 27″ - Suggested 25″ × 33″ table Ships flat-packed · standard kits in 10 business days or less

The case for the first box

On an open-frame printer, there is no "contained" to begin with. Everything the print gives off is already in the room.

An enclosed machine at least holds heat around the print and slows what leaves. An open frame holds nothing. That makes the airflow design here more load-bearing than on any enclosed printer we build for.

GAP 01

There is no barrier at all

Off-gassing happens at some level with every filament, PLA included. On an open frame none of it is held anywhere — it goes directly into the room, for the whole length of the print.

GAP 02

Bigger volume, longer jobs

The A2L's larger build area means longer prints, and a print that runs eleven hours emits for eleven hours. Scale is the argument here, not just material.

GAP 03

Drafts reach the print

An open bed-slinger is exposed to every draft in the room. That shows up as warped corners and poor first-layer adhesion long before anyone blames the air.

GAP 04

The shop gets in

Sanding grit, wood dust, pet hair. On an open machine there is nothing between the shop and the rails, the lead screw or the bed.

What you're getting

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01

Full-height front door

Magnetically latched, with a clear panel so a job can be checked without opening it. Generous reach to the plate and the control screen.

02

Cool-air intake, low

Filtered make-up air is drawn in at the bottom and carried across the chassis. On this design the intake is part of the cooling strategy, not only the filtration path.

03

120 mm exhaust port

Takes any Clearview filter or a ducting bracket on the standard pattern. Active exhaust is how heat leaves the enclosure rather than accumulating in it.

04

Interior LED lighting

Optional. Lets an operator check a print through the panel rather than opening the door mid-job.

05

External spool holders

The material bank mounts outside the enclosure, keeping the filament path short and the spools off the bench.

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Printed brackets and grommets

Panels bolt to printed corner brackets. A rubber grommet takes power and USB through the panel instead of through a door gap.

See it from every angle

The whole assembly, in 3D.

The full CAD model of the enclosure on the machine — spin it, zoom it, and check clearances against your own bench before you order. Worth doing on this one: at 31″ deep it is deeper than most desks. It loads only when you open it, so it costs nothing to have on the page.

◎  Open the interactive 3D modelLoads on open

Spools outside, path short

External holders carry the material bank on top of and beside the enclosure, so the filament run into the machine stays short and the bench stays clear.

Measure the depth first

At 31″ front-to-back the A2L enclosure is deeper than most desks and workbenches, which run 24–30″. It will overhang a standard surface. This is the number to check before anything else.

Air management

The enclosure contains it. The filter is what mitigates it.

Those are two halves of one system, and they only work together. It is also why this enclosure is not gasketed — restrict the airflow and you neuter the filtration, and on this design you would also be restricting the air that cools the machine. All three mount to the port pattern and are selectable when you configure the enclosure.

Tier 01 — Exhaust

Exhaust Filter

Vents outside

Fan housing, 4″ hose and window insert, with carbon and HEPA. Moves air outside and reduces fumes and smells. Needs exterior vent access and is slightly bulkier — and on an open-frame machine it is also the heat path.

Tier 02 — Recirculating

Recirculating Filter

No window needed

HEPA and activated charcoal in a streamlined unit. No window required, reduces fumes and smells. Honestly: under heavy high-temp use it isn't always a complete answer on odor.

Tier 03 — Commercial

Print Pro 3 by Donaldson

Commercial grade

Donaldson filtration with far deeper capacity than the other two. Absolute assurance on VOC and particulate mitigation. The answer when reduction isn't enough — occupied offices, clinics, labs, classrooms.

On PLA

Most people assume PLA is completely benign. Our customers who are physicians, engineers, or running professional environments don't make that assumption. Off-gassing happens at some level with every filament. The question is just what level of management is right for your space and your sensitivity.

Before you buy

Bambu advises against enclosing this printer. Here is our answer.

Bambu Lab does not recommend enclosing the A-series, on the grounds that elevated internal temperature may shorten the life of the printer's electronics. We would rather you read that here than find it later.

Our response is a design one. Filtered cool air is drawn in low and routed across the chassis, and heat is carried out by active exhaust rather than allowed to accumulate. We have run this configuration on our own production machines for years. We publish no chamber temperature and we offer no warranty, express or implied, on your printer or its electronics — that risk is yours to accept. Higher-temperature materials call for a hotter chamber and increase it.

If that trade isn't one you want to make, this isn't the right product for you, and we would rather say so now than after you've bought it.

For institutional buyers

The paperwork your facility is going to ask for.

Schools, labs, shared makerspaces. The A-series is a classroom favourite, which means the equipment clears the technical review and then stalls on documentation — someone in EHS or facilities needs written evidence before a machine goes into an occupied room. Two documents solve that, and you can read both before you buy anything.

Available with the enclosure

Safety Documentation Pack — written for this machine, not for a category.

Three to five documents, depending on the machine. Not generic shop boilerplate — every one is rebuilt around your specific make and model, with its real specifications, hazards, airflow numbers and procedures. Delivered as editable Word files, so you add your logo, your facility names and your sign-offs.

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Safety & Compliance Package

Hazard assessment, SOPs, PPE, LOTO, emergency response, and the regulatory mapping behind it.

Safety officer / EHS

02

Room Readiness Guide

Electrical, layout, environment, and a pre-installation sign-off checklist — before the machine arrives.

Facilities

03

Ventilation & Exhaust Guide

Airflow specifications, duct and filter design, and the maintenance schedule behind them.

Facilities / HVAC

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Maintenance & Inspection Guide

Inspection schedules and preventive maintenance that keep the records audit-ready.

Operators / techs

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Visitor & Student Orientation

Plain-language hazard training for students, visitors and untrained staff, with authorization checklists.

Instructors / lab managers

Standards referenced throughout: OSHA 29 CFR 1910 · Cal/OSHA Title 8 · NIOSH 2024-103 · ANSI/UL 2904 · ANSI Z535 and Z87.1 · NFPA 101.

Add the pack for this machine See a sample first

Sample: PDF · 7 pages · excerpts from the documents · no email required

Take it to the reviewer

The whole case for this enclosure, in eight pages.

Written for an EHS officer, a facilities manager, or whoever signs the requisition — including a plain statement of the manufacturer advisory and what we do about it. Send them this instead of a link to a product page.

1. The hazard, with the standards a review will cite
2. What the enclosure is made of and how it is built
3. Exactly what arrives in the box
4. Air handling, and the two routes for it
5. The Safety Documentation Pack, in full
6. Both sizes, with bench requirements
7. Scope, limitations and the manufacturer advisory

Download the PDF overview

PDF · 8 pages · covers A1 and A2L · no email required

For a lot of buyers this is the difference between "we'll look into it" and a purchase order.

Fitment and options

Two sizes, one design.

This listing — A2L

Bambu Lab A2L

23″ W × 31″ D × 27″ H 584 × 787 × 686 mm

Minimum table top 25″ × 33″, rated to 100 lb, at 28–32″ working height. At 31″ deep it will overhang most desks — measure before you order.

Also available — A1

Bambu Lab A1

19.5″ W × 23.5″ D × 23.75″ H 495 × 597 × 603 mm

Minimum table top 22″ × 25″, rated to 80 lb. Same design, smaller machine — listed separately.

Leave rear clearance on both. These run active intake and exhaust, so the exhaust path needs a few inches behind the enclosure. An IKEA LACK is 21.65″ square and will not work for the A2L in either direction. Outside these two sizes, the same design is built to size.

Panel options

Base

White PVC with a clear acrylic front

A 1/4″ optically clear acrylic front panel so you can watch the print, with white PVC on the sides and top. Five-sided.

Upgrade

1/4″ commercial-grade panels

If you change one thing on the configurator, change this. Same thickness the whole way around, better fit, feel and finish — then pick the material that matches what you print.

• Full clear acrylic
• Smoked tinted acrylic
• Polycarbonate
• Amber orange

Clear acrylic is the best all-round choice. Smoked is the same panel with a quieter look. Polycarbonate trades scratch resistance for impact resistance. Amber orange screens UV.

Panel choice is the one option you can't change after the fact.

Options and accessories

External spool holdersKeeps the material bank off the benchAccessory

LED lighting kitInterior visibilityAccessory

Heavy-duty metal hardwareA more robust buildAccessory

Sixth base panelCloses the floor instead of using the benchAccessory

Vibration dampening feet and padsFive-level lamination, cuts noise and ringingAccessory

Bowden tubeBy the meter, for filament routingAccessory

Intake HEPA filterCool, clean make-up air — part of the cooling pathFiltration

Exhaust HEPA and charcoal filterFan housing for 4″ hose, plus window insertFiltration

Recirculating HEPA filterNo window neededFiltration

Print Pro 3 by DonaldsonCommercial-grade filtrationFiltration

Safety Documentation PackThree to five documents, written for this machineDocuments

At a glance

Fits

Bambu Lab A2L — an open-frame machine with no manufacturer enclosure. Bolt-on, no printer modification

Size

23″ × 31″ × 27″ external. Minimum table 25″ × 33″, 100 lb — 31″ deep, measure first

Air

Filtered cool intake low, 120 mm exhaust high. Intake, exhaust and recirculating filters all fit. Not gasketed — contains and concentrates

Ships

Flat-packed, 60–120 minutes to assemble. Standard kits in 10 business days or less, delivered assembled in 15. One-year warranty against manufacturer defects

Bambu Lab A2L Enclosure Kit — Precision-Engineered for Cleaner, Quieter, Higher-Quality Prints

The Bambu Lab A2L Enclosure Kit by Clearview Plastics is a tailor-fit upgrade for your Bambu Lab A2L 3D printer. Designed and manufactured in the USA, this complete kit pairs CNC-routed panels, all required hardware, and STL files for the printed parts so you can build a cleaner, healthier, and higher-performance printing environment. The standard enclosure measures 23" W x 31" D x 27" H.

What's Included

• Panels
  • Base option: 1/4" PVC side and top panels with an optically clear acrylic front panel for a full view of your print progress — a 5-sided design for optimal protection.
  • Upgrade options (1/4" commercial grade) for added strength and a custom look:
    • White PVC with clear acrylic front
    • Full clear acrylic
    • Smoked tinted acrylic
    • Polycarbonate
    • Amber orange for UV protection when working with resin
• Hardware: all screws, nuts, and connectors needed for a hassle-free assembly.
• STL files: print your own brackets and fittings, or choose our pre-printed Black PETG parts for immediate assembly. Customize or replace any part whenever you like.

Assembly & Customization

No permanent modifications to your A2L are required — it's a simple plug-and-play system. Most builds take 60–120 minutes with the included instructions. Choose the included STL files to print your own parts, or add our pre-printed Black PETG parts for a complete, ready-to-build kit.

View the Assembly Instructions

Air Quality & Ventilation

Air Filtration Options

• Exhaust HEPA filter with charcoal — expels contaminants outside your workspace.
• Recirculating HEPA filter — keeps the print chamber clean and dust-free.
• Intake HEPA filter — ensures only clean, dust-free air enters the enclosure.

Ventilation Accessories

• Exhaust fan with easy-install housing for a 4" hose, paired with our Window Insert for direct outdoor venting.

Additional Customization

• LED lighting for better visibility of your prints.
• Heavy-duty metal hardware for a more robust build.
• 6th base panel to close the floor instead of using the bench.
• Dampening pads and vibration-dampening feet to reduce noise and vibration.
• Bowden tube by the meter for customized filament management.
• Venting options for fumes and VOCs to maintain a safe working environment.

Why Choose the Clearview A2L Enclosure?

• Precision fit: CNC-routed to match the Bambu Lab A2L, cut to the machine rather than shimmed to fit a range.
• Better print quality: a controlled chamber helps prevent warping, improve adhesion, and reduce drafts.
• Contained workspace: contains and concentrates fumes and fine particles so a filter or exhaust can act on them.
• Quieter operation: the enclosure reduces printer noise for a calmer room.
• Complete kit: panels, hardware, STL files, and exact dimensions — everything you need for a full setup.

About Our Business

As a small business owned and made in the USA, we genuinely appreciate your support. Every enclosure is backed by a 100% satisfaction guarantee and a 1-year warranty against manufacturer defects. Built by 3D printing enthusiasts for 3D printing enthusiasts, we understand your needs and are committed to products that make printing better. Thank you for choosing Clearview Plastics.

Who We've Worked With

More About the Clearview Enclosure

Our goal was to give your printer an unobstructed view from any angle while keeping access easy. A magnetically latched front door opens wide to your print bed and control panel, and a routed cable port keeps your connections tidy.

Optional add-ons include our carbon air-scrubbing filter and vibration-dampening feet. The carbon filter uses a quiet fan to pass air through a charcoal filter, reducing fumes and smells from the printing process — especially useful with materials like ABS. The vibration-dampening feet use a multi-material lamination that dissipates vibration across five layers, ideal anywhere print noise needs to be kept down.

Brackets and fittings come in Black PETG, and your purchase includes STL access to those files so you can print them in any color you like. You also get free STL access to future attachments and accessories — when we release a new mod, it's yours at no extra cost.

If you've battled bed adhesion, warping, odors, noise, or dust, an enclosure is the answer. It includes a specialized rubber grommet for your power and USB cables, and ships with the PETG parts and hardware needed for final assembly.

Want to learn more about printing with an enclosure?

• Benefits of printing with an enclosure
• 3D printing health guidelines (CDC/NIOSH)
• Additional health studies
• Getting better prints with an enclosure

Bonus: as the 3D printing world evolves, so does our enclosure. You'll get access to download STL updates, add-ons, and mods from our parts database — free.

Frequently Asked Questions

What is your return policy?

We have a 30-day return policy. Unused, undamaged panels with the masking fully attached are eligible for a full refund less return shipping. If panels are damaged after shipment, or the protective mask has been removed, we cannot offer a refund. To check fitment and confirm you like the setup, consider partially assembling with the mask still on — if it isn't for you, you're still eligible for a full refund.

There are some differences between your product photos.

We update our enclosures often, and as a small business a fresh photoshoot for every iteration isn't realistic. Function is always constant or improved as we refine the design. For the clearest indication of our current version, please rely on the renderings rather than the photos.

Bambu doesn't recommend enclosing the A2L. Why do you offer an enclosure?

There's nothing wrong with following Bambu's guidance, and we state it plainly in the section above and in the product and safety overview. Many printer manufacturers carry a similar warning that enclosing could shorten a printer's life — yet many owners enclose successfully for years. The concern is that elevated chamber temperatures may eventually affect the electronics, so we engineered this enclosure with filtered cool-air intake routed across the chassis and active exhaust to carry heat out rather than let it accumulate.

Without an enclosure, you'll more often run into warping, clogged nozzles, and reduced print quality — and the printer off-gasses particulate directly into your room. Our exhaust and filtration options give that air somewhere to go. Hotter, advanced filaments require a hotter chamber, which places more stress on the electronics over time. We publish no chamber temperature figure, and Clearview makes no guarantee or warranty (express or implied) on your 3D printer or its electronics. If you're not willing to assume that risk, enclosing this printer may not be for you.