How to calculate 3D slicer scale percentage
Resize a scale-model file by comparing source and target denominators.
Slicer percentage = Source scale ÷ Target scale × 100
How it works
1:72 to 1:48 is 150%, so enlarge the file.
Checked example
1:48 to 1:72 is about 66.667%, so reduce it.
Workshop notes
Thin walls and details may not remain printable; verify one known dimension.