Learn how to build a DIY guitar pedal inspired by the Smashing Pumpkins' iconic Op Amp Big Muff sound in this 23-minute tutorial. Follow along as the instructor guides you through the entire process, from drilling holes and using step bits to test fitting, applying graphics, and epoxy application. Discover the art of self-leveling, proper hardware installation, and gain valuable insights through a time-lapse demonstration. Conclude with final thoughts on the build, equipping you with the knowledge to create your own custom guitar effect pedal.