Hi Bob Even with 3d printing, you'd need to do some sanding and shaping to make it look as clean as the original. I still think casing one is the best option. If the mold is right, it will even match the surface. Dwight
________________________________ From: cctalk <cctalk-boun...@classiccmp.org> on behalf of Bob Rosenbloom via cctalk <cctalk@classiccmp.org> Sent: Tuesday, May 28, 2019 8:57 AM To: William Donzelli; General Discussion: On-Topic and Off-Topic Posts Subject: Re: looking for an old IBM knob from a 609 calculator panel On 5/28/2019 6:42 AM, William Donzelli wrote: > I think that is an IBM specific knob. I will keep an eye out for one, > but do not hold your breath! It is certainly not a common knob. > > Is it for a 1/4 inch shaft? > > -- > Will Yes, it's a standard 1/4" shaft. Might try and get one 3D printed if I can figure out how to draw it. Bob > On Mon, May 27, 2019 at 11:41 PM Bob Rosenbloom via cctalk > <cctalk@classiccmp.org> wrote: >> A long shot I know, but I'm looking for an IBM knob that's missing from >> a 609 calculator panel I have. >> Photos can be seen here: >> >> http://dvq.com/ibm/ibm-609-pnl1.JPG >> http://dvq.com/ibm/ibm-609-pnl4.JPG >> http://dvq.com/ibm/ibm-609-pnl5.JPG >> >> I have no idea if the knob was made by IBM or was a common knob of the >> times. >> >> Thanks, >> >> Bob >> >> -- >> Vintage computers and electronics >> www.dvq.com<http://www.dvq.com> >> www.tekmuseum.com<http://www.tekmuseum.com> >> www.decmuseum.org<http://www.decmuseum.org> >> -- Vintage computers and electronics www.dvq.com<http://www.dvq.com> www.tekmuseum.com<http://www.tekmuseum.com> www.decmuseum.org<http://www.decmuseum.org>