We would strongly encourage you to look into this system. This is a great way to build picture frames, planter boxes, and many other diy applications. For most of our diys, we use the kreg pocket hole system.
Diy concrete planter box 2x6 forms
Diy easy raised planter box
Diy tabletop planter box
DIY Criss Cross Outdoor Planters — Little House of Chic
