Hi, I think the enclosure is good - but I modified it strongly. I cut the perspex sheets to make a shape that fits exactly to the allocated space on the side of my desk and 3d printed posts to hold the perspex in place. Thereby it can be folded up and taken out when needed. I also attached a filter (hepa and active carbon) to the inside of the fan. Thereby 99% (my estimate) of the produced smoke is captured (otherwise the room soon stinks and would need windows open - not so nice in mid winter). I am very happy with the result. I think you should provide such a filter option, as not everyone improvises the way I do - but I think everyone needs such a filter, it makes all the difference.
I had to drill my own holes for the hinges to close the door as they were missing from the factory, but other than that its good.
Thanks for your feedback! Could you please contact us at firstname.lastname@example.org? We will send the missing part to you. Thanks for your love for the enclosure!