BIQU PopCap Clear Top Cover ONLY Compatible with Snapmaker U1, High-Temp Resistant PC Transparent Enclosure Insulated and Dustproof, Magnetic Hatch, Integrated Tool Tray, Reduce 15dB Noise

Get this cover from Amazon or somewhere else. Not trying to sell you anything but this definitely makes it quieter and keeps cats from batting at the head moving. https://www.amazon.com/dp/B0GMC5Q65S?ref=ppx_yo2ov_dt_b_fed_asin_title&th=1