MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
HO = 1:87.1 OO = 1:76.2 O = 1:48 to 1:43.5
HO Converted to OO Size x 87.1 / . 76.2 , OO Converted to HO Size / 87.1 x . 76.2
O Converted to OO Size x 48 / . 76.2 ~ O Converted to OO Size x 43.5 / . 76.2 , two possible answers USA and UK Sizes
You Need to Find Out the Gange you are using to print it correctly, Not the Scale