We’ve designed our planters in two different sizes – 600mm and 300mm wide. The lengths of 84mm x 19mm blackwood decking timber for both are listed below. You can either get the 600mm timber pre-cut at Bunnings, or for the 300mm option just measure and mark the pieces and cut them with a drop saw. Label each piece and put them in their groups, so you remember where they go. Keep at least eight off-cuts to use as spacers.
600mm box:
600mm (front & back) x 6
560mm (base) x 3
275mm (sides & bottom blocks) x 8
219mm (internal blocks) x 8
300mm box:
300mm (front & back) x 6
260mm (base) x 3
275mm (sides & bottom blocks) x 8
219mm (internal blocks) x 8