I really would like to get a HOTAS Warthog extension, but the idea of ordering from Europe with the Canadian dollar exchange rate (1 Euro = 1.52 CAD per google, so the real rate I’d see on a credit card bill would be a bit worse) plus shipping, duties and taxes makes the price a bit much.
I have read on some people 3d printing them with okay results, but I don’t have a printer.
So I decided to see what shapeways could offer. I drew up an 10cm tall extension in AutoCAD Fuzion 360 and added the M36x2 threads (thats based on what info I could find - if it is another pattern please tell me!). Uploaded to shapeways and here is the results (USD I presume):