Glider Porch Swing Where Can I Get Construction Plans For A US-style Garden Glider, I.e. The Seat Doesn't 'swing', It Stays Level

Where can I get construction plans for a US-style Garden Glider, i.e. the seat doesn't 'swing', it stays level - glider porch swing

You can find it in the UK, but remember the hot nights in Dallas, was sitting in an airplane on the porch - I thought I would try to build one for the not-so-hot night in Somerset.