1/18 比例尺的爬行式桥梁模型

1/18th scale crawler bridge

2023-09-07 17:35:49

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Summary

This is the customizable bridge for 1/18th and 1/24th scale crawlers, like the TRX4M and SCX24.

There are 3 bridge support sizes, 50mm,100mm, and 150mm. Each bridge support comes in 2 variants, flared base, and stackable. The stackable variant is meant to be stacked on top of other bridge sections, and the flared base can stand on its own, but is also stackable if you don't want to print both sets.

There are 3 kinds of bridge sections, a starter ramp, connecting ramp, and flat bridge section. Each of these has a flat or ribbed variant depending on the traction you want. There is also a connector piece that allows you to connect multiple bridge sections together if you want it to span a longer distance.

The bridges and supports are fairly sturdy and can hold the weight of your rig with the connectors.

Turn the bridge sections and connectors sideways in your slicer and you can print them without supports. the bridge supports print fine without supports standing vertical.

OTHER RC MODELS

RC bridge can be found here: https://www.printables.com/model/600421-118th-scale-crawler-bridge or https://www.thingiverse.com/thing:6206353

RC whoops here: https://www.printables.com/model/600420-118th-scale-whoops or https://www.thingiverse.com/thing:6206362

RC Rope bridge here: https://www.printables.com/model/600418-118th-scale-crawler-rope-bridge-pieces or https://www.thingiverse.com/thing:6206529

RC Teeter Totter here: https://www.printables.com/model/613825-118th-scale-teeter-totter or https://www.thingiverse.com/thing:6264443

*Edit 10/31/23 - Thickened the cross braces on the 150mm towers as they would sometimes fail during printing. (Replaced the "LiftBrdg 150mm skeleton stack" and "LiftBrdg 150mm skeleton flaired" with "LiftBrdg 150mm skeleton stack thick" and "LiftBrdg 150mm skeleton flaired thick")

Print Settings

Printer brand:
Creality
Printer:
Ender 3
Rafts:
No
Supports:
No
Resolution:
Printed at .32 to reduce print time
Infill:
10%
Filament brand:
any
Filament color:
any
Filament material:
PLA
Notes:
Make sure to turn the model sideways in the printer for the bridge sections and connectors to print without supports.