Although most of our models are designed for use with OO/HO scale model railway layouts, it’s possible to rescale them to suit other gauges to. This quick and simple guide shows you how to do just that.

Printing a model at different scales is easy if you follow these instructions. The example given is for a 1/76th,  OO scale model, but the principle is the same for other scales. Use our Model Scale Converter to find out the conversion factors.
To print at OO-scale (1/76th) set your Adobe Acrobat to 100% like this:

To print at HO scale (1/87th) you need to alter your printer settings to “87%”  (This IS correct – a 1/87th model is 87% of the size of a 1/76th scale model!).

And that’s all there is to it!

Click here to download this guide as a PDF file

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7 Responses to How to scale our models when printing

  1. George says:

    Hi Justin, Can you add N scale percentages to this file? Thanks, George.

  2. JustinN says:

    Hi George, To scale OO to N gauge the scaling percentage is 51.35% when you print it. You can also reduce other kits down using our Model Scale Converter here It calculates the percentage you need to enter into your printer settings when you print the kit.

    Hope that helps,


  3. Ross says:

    How well will they upscale? Planning for 28mm/30mm wargames figures.

    • JustinN says:

      Hi Ross, Is there a particular kit you’re interested in? If so, I can scale one up for you and send you some samples. Thanks, Justin

  4. Brian Norris says:

    Is it possible to upscale to O Gauge as well?

  5. Brian Rogers says:

    Can they be upscaled to 1/32. Need portakabins for a slot car track.

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