Introduction: Puzzle Box (Unabox)
This is a modified version of the Unabox which was built by TXTCLA55 as shown here:
This simplified version can be built with limited tools and a basic skill level. The drawing is included in the video description. Note that the drawing units are in inches verses millimeters shown in Make Magazine.
Step 1: Tools/Materials
- Drill & bits
- Hammer (optional)
- Tape measure
- 4 foot long 1x6
- 4 inch long 2x4
- 3/8” and 1/4” dowels
- Screws or Nails (optional)
- Wood filler
- Paint or Stain
Step 2: Overview
Refer to these images during build.
Step 3: Bottom and Sides
Cut bottom to 8.25” x 5.125”. Cut two sides to 8.25” x 2.75”
Step 4: Ends
Cut ends as shown. Add blind hole to T-shaped end. This will be the locking feature for the top.
Step 5: Fixed and Rotating Top
Cut fixed top and rotating top as shown. Note that this piece should start from the same size piece as the bottom (8.25” x 5.125”). Add thru holes as shown.
Step 6: Slotted Top
Cut slotted top as shown. Add blind 3/8” hole to end. I used a drill and wood file to make the slot.
Step 7: Inside Block
Cut block from a 2x4. Add blind hole as shown.
Step 8: Pins
Cut dowels as shown.
Step 9: Assembly - Step 1
Attach sides and ends to the bottom piece. This can be done with glue, nails, screws, etc. I used a pocket hole jig and glue.
Step 10: Assembly - Step 2
Add inside block and pins. The block can be attached as desired. The pins are glued into these pieces.
Step 11: Assembly - Step 3
Attached fixed top and slotted top as shown. I used glue and wood screws from the inner side.
Step 12: Assembly - Step 4
Assembly as shown. Insert locking pin as the final step.