Introduction: DuckBunny

About: Our grandkids keep me busy!

"DuckBunny" is a simple illusion I created for the grandkids inspired by numerous similar models I've seen in my travels that were manufactured in plastic, wood, ceramic, porcelain and a variety of other materials. I decided to try my hand at recreating this model for 3D printing, and even though my artistic skills are more than somewhat challenged, the grandkids enjoy them!

I've included the file "DuckBunny.stl" for single extrusion printers, the file "DuckBunny.3mf" for dual extrusion printers (inspired by Tim's videos at, and finally the component files "DuckBunnyBody.stl" and "DuckBunnyInsert.stl" if you wish to use your preferred slicer to merge the model for dual extrusion printing.

When printed at .2mm layer height with 20% infill, the single extrusion model prints horizontally (as appearing in the .STL files) in around 45 minutes. I've printed the model both horizontally with and without supports, and vertically with a brim and supports (as shown in the photograph) and found that printing vertically provides the best side to side symmetry and detail at the expense of additional time (for both printing and cleanup) and material (for both the brim and supports).

I hope you enjoy it!

Designed using Autodesk Fusion 360, sliced using Cura 4.1, and printed in PLA on an Ultimaker 2+ Extended and an Ultimaker 3 Extended.

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