N Scale Road Guide
cults3d
Post this in case it's useful to anyone else. Basically it's just a guide to drag across your terrain medium to maintain your road width. There's one for 9ft and 10ft wide lanes. They're meant to basically be guides. Drag them across the plaster / Smooth-it or xps foam and you have even, parallel lines. Uploading 9' (2.75m) and 10' (3m) wide double lanes.
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With this file you will be able to print N Scale Road Guide with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on N Scale Road Guide.