Garden Bat box

Step 2: Cut the wood into the required pieces

Make sure that the wood is square with the plane or by trimming it with a table mounted circular saw.

Using the table mounted circular saw Cut the wood into these pieces:
20x34cm Sides
20x40cm Roof
15x33cm Back board
23x15cm Door

Keep any scrap wood left over for the doorstops.

Then cut the 20x34cm piece from one corner to the other, so you get two triangles, these will be the sides of the bat box.