... it another try as your analysis seems likely posted: 12 May 2018 02:22 from: Andrew Barrowman I'm concerned that individual chairs printed in FUD, while looking a lot like the real thing, are going to be a bit impractical because they are so fragile. I've submitted a beefed up version that should be compatible with the HP nylon process. I exercised the "print it anyway" option. They should show up in about ten days. Hopefully they'll look a bit like this, although they will be black: 2983_112118_420000000.png posted: 12 May 2018 02:55 from: Martin Wynne Andrew Barrowman wrote: 2983_111323_240000000.png Hi Andy, Your measurements for SMP rail show that is significantly under scale width at 0.80mm. Most code 75 bullhead rail is nearer to the correct scale width of 0.92mm. If you have designed the base seating in the chair above for 0.80mm rail, it means 0.92mm rail will not fit down into it, and the foot will tip up into the space below the key. It might be better to have the base seating set ...