So, sparing you the details, it’s come about that I’ll be building a liquor cabinet for a colleague. Something that will hold 2 shelves of tallish (33-35cm high) bottles of spirits, a row of 8 bottles of wine and still have room for a drawer with about 14.5cm of usable space. Here is the front view sketched on graph paper (the only way I can draw a straight line without a ruler).