After choosing the size of the cube storage unit you're going to build, have your plywood pre-cut at your local Bunnings. For the frame of the unit, we cut both 600mm x 2250mm sheets in half lengthways to make four pieces that measure 300mm x 2250mm. Then we cut two of these at 1330mm for the sides and two at 1200mm for the top and bottom.
For the shelves and the dividers, cut the 2400mm x 1200mm x 17mm ply into 300mm pieces along the 2400mm length to give you eight pieces. Cut four of these at 1200mm and cut seven at 400mm.
Take the two 1330mm pieces of ply and lay them down on their edge. Sit the two 1200mm piece of ply in between them to complete the frame. Make sure it's all squared up, and then pre-drill and countersink holes to connect it together. Join it together using the 50mm screws.
Now the frame is together, it's time to set out the first shelf. Working from the bottom of the unit up, place one of the 1200mm shelves in the frame. Space three of the dividers evenly along the bottom of the frame. Measure and mark where you want the dividers to go on both the shelf and the frame.
Use a set square to make sure the dividers are straight and square. Then use the drill and 30mm screws to fix the dividers to the base of the frame. Drill the 50mm screws through the sides of the unit to secure the shelf to the frame.
Place the second shelf and divider inside the frame on top of the first shelf. This creates a double thickness shelf. Use the 30mm screws to secure the second shelf to the first. Drill the 50mm screws through the sides of the unit to secure the shelf to the frame.
Take the last piece of 1200mm x 300mm ply and your last three 400mm dividers. Space them evenly along the 1200mm piece of ply, and then screw them into place using the 30mm screws.
Lower the shelf into the frame to create another double thickness shelf. Use the 30mm screws to secure the shelf to the frame. Drill the 50mm screws through the sides of the unit to secure the shelf to the frame.
Fix the four casters to the base of the unit using 30mm screws.
Use 120 grit sandpaper to sand back the storage unit. Now it's time to paint or stain the storage unit which will give it a great finish. You can be as creative as you like and paint all of it or just a few of the cubes.