How to Build a Timber Frame Style Pavilion or Gazebo. I wanted this backyard or deck coving pavilion to be designed and built in a timber frame style with some simple joinery. This open wooden structure is the centre piece on the patio. Basic carpentry skills are all you need. Pavilion Plans available for download. Gazebo and pavilion designs are plentiful and there's lots of options. Have a look at the three gable timber frame style pavilion or gazebo ideas I came up with using some post and beam techniques.