Every enclosed desktop laser we have looked at leaks somewhere: around the lid, at the exhaust adapter, through the underside, or straight out of the purifier housing. The reason is the same on all of them. A fan inside the machine pushes air toward the exhaust, and a pushed chamber sits at positive pressure. Positive pressure finds every seam.
The Polar's rear fan bank pushes toward the duct, and long-run reviewers describe the stock fan as adequate but not generous, with residue on the blades cutting airflow every 30 to 40 hours. Less flow through the duct means more pressure in the cabinet, and pressure finds the seams. OMTech offers no purifier for it.

First, the plain fix: a stronger exhaust with the fan at the far end of the duct, so the machine runs under vacuum. If you can do that, do it. Not everyone can. A classroom with no window, an apartment, a shared shop, a machine that sits next to a bedroom wall.
The Supplemental Enclosure is a rigid outer enclosure cut to fit the OMTech Polar Lite / Polar+ with room for the lid to open inside it. The machine sits inside. Its exhaust connects directly to a pass-through duct in the enclosure wall, so your hose run to a window or purifier is unchanged. Whatever escapes the machine's seams is now inside a second box instead of the room, and because the machine pulls its intake air from inside that box, leaked smoke gets drawn back through the machine and out the exhaust on the next pass. A second barrier and a return loop. Nothing else to set up.
It is not a tent. CNC-routed acrylic panels, aluminum hardware, a full-width front door, and the same bolt-together construction as our 3D printer and laser enclosures. Brackets and hardware are included in every order. The machine's own enclosure remains the laser safety barrier; this enclosure uses standard acrylic and is not a laser-rated product.


Built for the Polar Lite body; Polar+ and Polar 350 fit is confirmed at launch. Pass-through jobs run with the outer door open; the outer enclosure has no slots and does not change the machine's laser classification.
Schools, libraries, and makerspaces whose laser policy already requires supervised, restricted access and that would rather add containment than add rules. Home shops with a bedroom, a nursery, or a neighbor on the other side of the wall. Anyone who bought a purifier, ran it, and still smells the job the next morning.
We are building this around real units. Use the notify-me button above and we will tell you when it is ready. If you own a different enclosed laser, tell us which one when you reach out. If enough of you ask for the same machine, we will build that one next.

If your site requires a certified Class 1 envelope, that is the WorkSafe line.
CNC-routed in Rocklin, California. One-year warranty against manufacturer defects.
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