Amazon.com: Amp-size DIY Wooden Box Enclosure Kit - 6" x 7" x 3.25" - Easy to Assemble! : Electronics
V2) For BIQU B1 - DIY Enclosure - Remix of Prusa's V2 IKEA Lack Enclosure - with extra doors (opening on 3 sides) by Doug Joseph (design8studio) | Download free STL model | Printables.com
A very cheap and simple DIY enclosure for an engraving frame (Ortur LM2) - EnduranceLasers
DIY 3d Printer Enclosure | Works Perfectly & Budget Friendly - TheMechNinja