Flexi caterpillar toy, spring body articulated model, slinky style fidget creature, print in place. Articulated caterpillar with coil body, flexible fidget toy, no supports, fun mechanical movement.

Slinky Caterpillar is a unique articulated flexi design featuring a continuous spring-style body that gives it a smooth and satisfying movement.

Unlike traditional segmented flexi models, this caterpillar uses a coil-based structure, allowing it to stretch, compress, and bend in a very dynamic way, making it both visually interesting and fun to handle.

The model includes two sizes, compatible with:

12mm glass eyes 6mm glass eyes

You will also find printable eyes included, so you can fully print the model without additional parts.

Designed for easy printing without supports, this model requires a few optimized settings to ensure the spring mechanism prints correctly and remains flexible.

If you enjoy unique mechanical flexi designs, make sure to follow my profile for more.

Features Spring-style articulated body Continuous coil design Flexible and dynamic movement 2 sizes included Compatible with glass eyes (6mm & 12mm) Printable eyes included STL and 3MF files included No supports required

All Markus3D designs are Copyrighted and for PERSONAL USE ONLY. To sell prints of my models, you can subscribe to my Patreon or Thangs with the commercial tier membership. Digital files can’t be shared or resold!

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🔧 Recommended 3D Printing Settings:

🖨️ Layer height: 0.2 mm 🖖 Walls: 3 🔄 Infill: 15% 🚫 Supports: No 🧲 Brim: Yes

⚠️ Important Printing Notes:

Lower print speed to around 70 mm/s Use maximum part cooling (fans at 100%) Print with open printer if possible (or ensure good ventilation) Use glue on the build plate for better adhesion Carefully remove the brim to avoid damaging the spring Tested with standard PLA Silk PLA is not recommended due to reduced flexibility