Dowel Joint Design Rules
Dowel diameter = 1/3 to 1/2 of board thickness
Dowel length = 5x diameter (2.5x each side)
Spacing = 6" to 8" apart along the joint
Tips
- Use fluted or spiral-grooved dowels for better glue distribution
- Drill holes 1/16" deeper than needed for glue reservoir
- Use a doweling jig for precise alignment
- Chamfer dowel ends for easier insertion