1:29 G Gauge B&O I12 Wagontop Caboose

Summary

Update 3/13/25: Finished! added Chessie specific parts. Added bending jigs for grab irons. Added drill guide for side grab iron.

Update 3/11/24: Chassis v2; added stops to bolster to eliminate excessive rocking

This is a 1:29 model of a B&O I12 Wagontop caboose, based on the late era Chessie System version.

Print List:

Chassis: x2
Body Center Section: x1
Body Front Section: x1
Body Rear Section: x1
Body End Wall: x2
Body End Cap: x2
Door: x2
Knob: x2 (resin printer recommended)
Stack: x1
Porch Plate: x2 (resin printer recommended)
Catwalk End: x2
Catwalk Middle: x1
Catwalk Ladder: x2
Box1: x1
Box2: x1
Marker Light: x4
Stair: x4 (resin printer recommended)

Step Brace: x4
Brake Gearbox: x2 (resin printer recommended)
Brake Wheel: x2 (resin printer recommended)
Tank: x1 (resin printer recommended)
Truck Bushing: x2

x1: For each grab iron bender

x1: For drill guide

Glue: Epoxy or 3DGloop

Hardware:

2x:1/4" metal rod 185mm (aluminum or steel)
4x: 1/8" steel rod 240mm
2x: M4x8x6 melt-in threaded insert (Truck bolt)
2x: M4x12 Screw (Truck bolt)
4x: M3x6x5 melt-in threaded insert (Body bolt)
4x: M3x8 (Body bolt)
3/64" Brass Rod for all grab handles

Couplers:
Kadee 907

Trucks:
https://makerworld.com/en/models/758033-1-29-g-gauge-usa-trains-compatible-trucks#profileId-1181547

Post-Printing

2 1/4" metal rods used as support for chassis pieces

M4 melt-in threaded insert for truck bolt