Laundry Drying Rack (Winched)

Since I discovered how awesomely useful one of these is from living in flats that had one installed a couple of times, I've wanted to produce one myself.
See: https://en.wikipedia.org/wiki/Sheila_Maid
https://www.google.com/search?imgtype=&hl=en&q=sheila+maid&tbm=isch

The basic concept is a rack of narrow planks or similar suspended between a pair of coathanger-like blocks, which are usually made from cast iron. The frame is lifted up to ceiling-height with laundry on it using a pair of pulleys, one of them a double-pulley, and some string. I am trying to design one that could have the end-pieces 3D printed, and if required for heavy laundry (big towels and sheets), possibly used in lost-wax casting with something like scrap aluminium or brass, with the rest of the materials (beams, pulleys) from salvaged or cheap stock.

Plastic endpieces are probably only capable of supporting small laundry items repeatedly, and I have created a separate small test-piece model in order to find