Titan 001 - Gundam Heavy arms 4FT

4-ft Heavyarms by Lootboxplus

This project is based on my original 1/35-scale Heavyarms (HA) design, resized to stand at 4 ft tall, excluding the missile launchers. The scale is roughly between 1/12 and 1/13, making it a solid size for display in your mancave.

The files are designed to fit even the smallest 3D printers, such as the Bambu Lab A1 Mini, with a print bed size of 180 × 180 × 180 mm. All parts are optimized to print flat on the bed, so orientation is straightforward and beginner-friendly.

Please see my additional notes below for more details.

Wall Screws: 1" long (3.5 mm DIA.), 120+ pcs
You can use flat head or any type of screw as long as it’s 1". Check the head carefully since the screw hole has an embedded profile. Buy a few to test first. Once confirmed, this setup will be used for future 4-ft projects.

Rod: 3 mm DIA × 50 mm long
(Gundam runners can be used. Extra rods have been reserved for other purposes.)

Magnets: 12 mm DIA × 2 mm thick
Purchase at least 20 pcs.

Electrical Wire: 8 mm × 4 mm, 180" long
Standard appliance wire; no special specifications required. This will be used for the bullet runners.

PVC Pipe: 32 mm (1 1/4") diameter
Any pipe with the correct diameter is acceptable. PVC is recommended for easier cutting.

Filament: PETG
For stronger material. Prepare at least 30+ kg for this project.

Printer Settings

Layer Height: 0.28 mm (Bambu Studio)
Adjust resolution for finer quality if desired. Color printing is optional.

Infill:
15% for legs, 5% for arms and smaller parts. Additional infill recommended for torso and legs to support heavy gatling guns.

Supports: ON

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FDM or Resin