"we wanted to use lack shelves in the kitchen so that they could act as a food pantry, but had limited wall space. by using red polycarbonate sheeting as door fronts, we were able to position the shelves partially in front of a window, so that they admit interesting afternoon sunlight through the doors. the polycarboate was a manufacturer's offcut, sourced at a local recycling outlet reverse garbage, west end.
the red doors are attached with standard cupboard concealed / self-closing hinges, which are recessed into the lack board (drilling a hole using a big drill bit) and fixed on the door side to the timber door stile (screwed to the polycarbonate in pre-drilled holes). actually, how to attach standard door hinges is the ongoing problems of working with the lack board material - the laminate on the honeycomb cardboard core - because the hinges are really designed for solid material. also, the polycarb is brittle and can snap, especially when knocked against something in the cupboard!
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