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Guides

Engineered HO-scale assets: printable signs, print-your-own and printed-and-mailed models, tools, and field guides. Some free, plenty for sale. Make it real. Make it RailForge.

What you'll find
  • Free printable signage & gauges
  • Downloadable STL models (print your own)
  • Printed & mailed detail parts (FDM / SLA)
  • Engineering-first guides that pair with the Lab

Guides

Guides

Items in this category.

View HO Car-Weight Reference Card (NMRA RP-20.1)
HO Car-Weight Reference Card (NMRA RP-20.1) FREE
Guides Free download

HO Car-Weight Reference Card (NMRA RP-20.1)

HO scale car-weight reference card: the NMRA RP-20.1 target weight for every car body length from 1" to 14", in ounces and grams. Free printable PDF.

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View DCC CV Programming Cheat-Sheet
DCC CV Programming Cheat-Sheet FREE
Guides Free download

DCC CV Programming Cheat-Sheet

HO scale DCC reference: the common CVs modelers actually program, plus a CV29 bit-value table with ready-made settings. Free printable PDF for the bench.

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View HO Minimum-Radius & Turnout Quick Guide
HO Minimum-Radius & Turnout Quick Guide FREE
Guides Free download

HO Minimum-Radius & Turnout Quick Guide

HO scale curve and turnout reference: practical minimum radius by car, what each turnout number does, radius bands, and where to use them. Free printable PDF.

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View HO DCC Bus-Wire & Voltage-Drop Guide
HO DCC Bus-Wire & Voltage-Drop Guide FREE
Guides Free download

HO DCC Bus-Wire & Voltage-Drop Guide

HO scale DCC wiring reference: the longest bus run that stays within 3% voltage drop for each wire gauge and load, plus loco current and feeders. Free PDF.

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View HO Layout Inspection & Maintenance Checklist
HO Layout Inspection & Maintenance Checklist FREE
Guides Free download

HO Layout Inspection & Maintenance Checklist

HO scale layout maintenance checklist: track, electrical, turnouts, rolling stock, locos, and scenery, plus session prep and a notes area. Free printable PDF.

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