Knuckleblaster Replica from ULTRAKILL

ULTRAKILL V1 Arm - 1:1 Scale Physical Prop

This is a fully engineered, 3D-printable conversion of the V1 model originally created by @olepatrick1054 on YouTube/Gumroad.
 

The original asset was strictly a low-poly animation model meant for Blender, so it had zero manifold geometry or internal structure for printing. I took his original files, completely rebuilt the internal geometry, split it into printable sections, and scaled it to a 1:1 human scale (about 650mm total length).
 

If you want to check out his original animation asset or support his insane work, grab it here: https://olepatrick.gumroad.com/l/gadmd?layout=profile&recommended_by=search
 

Build Details & Print Settings

Scale: I sized it up to about 650mm in length in the print profile but feel free to mess with it further.
 

Supports: Yes, you will need them for the joint overhangs and the main claw curvatures. Standard tree supports work best - but cleanup is heavy. Leave a comment if you find a more optimized way to print.
 

Infill: 10%–15% Gyroid is plenty. It keeps the parts lightweight but structurally solid enough for assembly and painting.
 

Wall Loops: Recommend at least 3 walls so you have enough material thickness to sand down any layer lines without breaking through the shell.
 

THIS IS NOT A WEARABLE PROP. THIS WORKS ONLY AS A DISPLAY PIECE.
 

Note: This model is for personal use and prop building. Make sure to credit olepatrick for the original concept shape if you share your builds online!