... -SF is not 00. It is a variant of EM. It is a standard in its own right with a track gauge is 16.2mm. Everywhere -- except where gauge-widened on sharp curves in prototypical fashion. (Some users like to use 16.5mm flexi-track for that.)As the inventor of the "00-SF" designation I can uninvent it. And I have now done so. I have changed the designation to| 4-SF| in Templot: gallery/2 /original/2_241216_180000000.png This is a naming change only. If you have been using Templot for 00-SF there will be no change to your files or designs.I'm hoping to have a Templot program update available in the next few days.I have also registered the domain 4-sf.uk and I will be copying the content from 00-sf.org.uk shortly.regards,Martin. posted: 25 Sep 2015 00:19 from: Nigel Brown Martin Can see where you're coming from. It IS a scale/gauge combination in its own right, and best viewed at ...