DIY: Build a Wood Manger for a Nativity Prop or Decoration My husband built this wood manger for a church party last year. It works as a Nativity Story play or yard decoration too. Made of reclaimed wood and mostly hand tools for extra authenticity. The construction of the manger uses no nails or screws, just wood dove tailing. Great DIY for Christmas time. You will need: 4x4 posts (18-20 inches long) 3/4" pine boards (12x18 inches) Chisel rubber mallet jig saw table saw To fit the boards together, they are cut like Lincoln Logs, 1/2 notches on both boards, right in the center. Set the table saw at 1.75 inches tall and cut slices in the center of the posts...enough slices to fit one post. Then use a chisel and slice off all the slices. Clean up the inside of the cut with the chisel. Then use a rubber mallet to fit both posts together tightly. Repeat this with the other 2 posts. Next, use a jig saw to cut opposing dove tail groves on the pine b