Bring this charming retro robot to life! It walks forward with a classic toy-like motion and features vibrant layered colors—all printed on a single-extruder 3D printer, without any paint.

Designed with smart cutouts at various depths and manual filament changes, this model gives you a true multicolor look with clean results.

🛠️ Model Features

🦿 Walks forward with a simple internal gear mechanism.

🦾 Loose arms swing naturally as the robot walks, giving the illusion of movement.

🎨 Front panel designed for manual filament color changes by layer height.

🧩 Detailed features achieved using cutouts at different depths to play with color and light.

🎨 Filament Change Guide (layer height: 0.2 mm)

From 0.0 mm to 2.2 mm → Black

From 2.2 mm to 3.0 mm → Gold

From 3.0 mm to 3.8 mm → White

From 3.8 mm onward → Red

⚙️ Tip: Set your slicer to pause at these layer heights to make filament swapping easier.

⚙️ Printing Recommendations

Layer height: 0.2 mm

Nozzle: 0.4 mm

Minimal supports required for some parts, depending on orientation

Easy to assemble, no screws

Compatible with basic electronics (battery holder, motor, switch)

💡 Perfect for display, mechanical learning, or simply enjoying a nostalgic build.

Shot:

Es:https://youtube.com/shorts/KW5QmFLsK8g

Ig:https://youtube.com/shorts/FBxj9H6ZpBM

tuto

Es:https://youtu.be/icEDmdVqlEE

Ig:https://youtu.be/TewsJjjiUi4

🤖 Retro Walking Robot – Multicolor Layered 3D Model

0.2mm layer, 2 walls, 15% infill