These plans walk you through the full build with clear diagrams and dimensions at every step. There's also a video tutorial covering the process start to finish if you want to see it before you start cutting.
Plans are in imperial units. Overall dimensions are 66 ¾" × 3 ½" × 14" — easy to adjust if you want to size it differently.
What's inside the 12-page PDF:
Cut list
Materials list
Tools list
Layout diagrams with all cuts and dimensions
Step-by-step assembly diagrams