To keep the box from springing open when collapsed, a small button was sewn into the inside of one of the denim ends with an elastic loop sewn into th...
Step 7: Add some feet / pivot axles
The end blocks are attached to the bamboo place mat with short large-diameter nails. Line up the pre-drilled holes in the end blocks with the place mat, then gently hammer in the nails. Do not hammer nails home, leave about 5mm [1/5"] of each nail head exposed. This will give the box some space to maneuver when collapsing and reduce the stress at pivot points.
When assembled as a box each nail head will act as a front foot.