Luka’s Prosthetic Arm – Honkai: Star Rail Cosplay (Commission Showcase – Not for Sale)

This is a 3D model of Luka’s mechanical prosthetic arm from Honkai: Star Rail, created as a private commission for cosplay purposes. The model replicates Luka’s iconic right arm design with detailed paneling and a sleek, sci-fi mechanical form.

It is scaled for wearable use, and prepared for 3D printing with split and keyed parts for easier assembly. This listing is for portfolio display only and is not available for sale or download.

Project Info:

Character: Luka

Game: Honkai: Star Rail

Part: Right prosthetic arm

Use: Cosplay / print reference

Format: STL

Modeled in: Blender

Commissioned work – not for resale

All rights to the original character design belong to HoYoverse.