you want to create a sealed system. Get a roller paint tray - https://www.amazon.com/Hard-Shell-Paint-Disposable-Liners/dp/B08BG5H43N/ref=sr_1_6?dchild=1&keywords=roller+paint+tray&qid=1625074639&sr=8-6 get some 'stick on weather stripping - https://www.amazon.com/Weather-Stripping-Windows-Self-Adhesive-Backing/dp/B0816GTPY3/ref=sr_1_1?dchild=1&keywords=stick+on+weatherstrip&qid=1625074673&sr=8-1 those blower motors + power supply, install blower motors into the back bottom of the paint tray, get something to seal them in since the laptop is smaller then full tray. Mould the stick on weather striping around the paint tray edges so the laptop sits on it evenly and creates the seal. Done.