Split Flow Bento Box (Remix)

I exclusively print ‘low temperature’ filaments such as PLA+ and PETG, but I still wanted an enclosed printer to protect from drafts.Even with the low temperature filaments I wasn't able to go into my garage for several hours after a print without feeling unwell. So enter ThruTheFrame's excellent BentoBox. However, with my ‘vision’ enclosure I couldn't help notice I was still getting a lot of untreated hot air escaping from the gaps around the frame. And the low temperature filaments were suffer