All the spice racks I examined were a bit difficult to pull out since they relied on a plastic-on-plastic design. I was pulling out one of my desk drawers one day and BINGO! Why not use a drawer slide? I found an inexpensive one on Amazon and designed my pullout mechanism around it. You can find that link in the assembly instructions.

Everything can be printed in PLA. The P version and H versions are the same; the plate arrangements are different. I printed mine in wood but, of course, that's not necessary. There are two widths – 60mm and 90mm. For each width there are three heights - 100mm, 130mm and 160mm. The heights can be mixed and matched according to your needs.