au-hornet

3D printed Hornet

Insects, you either love them or you hate them, but one thing is for sure, they are some of the most fascinating creatures on this planet. One thing that I always wondered about insects, was how in the world could they be able to do what they do, with such tiny little brains. While I wouldn’t consider myself a fan of insects by any means (just ask my wife), I would say that I have always been fascinated with them.  When I was a child, I remember searching for bugs in my backyard, and letting them crawl on my hands and arms, as I thoroughly observed their tiny movements.  Today, for some reason, I scream like an 8 year old little girl whenever I see one.

One thing that a lot of people don’t realize about these tiny little creatures, commonly referred to as “bugs”, is that they are quite beautiful if you were to take the time to examine them under a microscope. One Austrian man, named Klaus Leitl realizes this, and he set out to model and recreate 3D printed replicas of many of these fascinating creatures.

3D printed Mayfly

3D printed Mayfly

Modeling the insects at a 30:1 scale allows for the true beauty of them to come out, for the human eye to thoroughly observe. To create these intricately detailed insects, Leitl actually used a consumer/prosumer level 3D printer, the Form 1+ by Formlabs.

3D printed Soldier Fly

3D printed Soldier Fly

When most people think about 3D printers that they can actually own and operate at home, they think of FDM/FFF printers which can oftentimes struggle when printing fine details, or objects requiring high resolutions. Leitl, on the other hand, preferred to use the Form 1+ and its stereolithographic technology which allows for higher precision when printing detailed objects.

The majority of the insects printed, although they are scaled up 30 times, still only measure between 24 and 180 cm in length. He has created dozens of these 3D printed creatures, including a dragon fly, hornet, aquatic beetle, stonefly, blackfly-larva, mayfly and many more. Most of his insects are printed in multiple parts. For example his Mayfly-larva, measuring 30cm in length, is made up of an incredible 25 separate 3D printed parts.

3D printed Caddisfly Larva

3D printed Caddisfly Larva

To model the insects, Leitl used zBrush. He splits them into two separate parts, hollows them, and then exports them as STL files, which were scaled in netfabb basic. He glues some of the parts together, using the very material that many of them are printed from. He takes the clear photosensitive resin, and uses a UV-lamp to fuse the pieces together. He then has to sand some of the pieces, and then paint them using an airbrush with Schminke Aero color ink. Once this is complete, he finishes them with acrylic lacquer, adds hairs, wings, and antennas (usually not 3D printed) and he glues the remaining parts using 2K-epoxy. Leitl’s insects can be seen in an exhibit called “Life Under Water” in the National Park Hohe Tauern, in Ferleiten, Salzburg (Austria).

Did you imagine that such detailed objects could come off of a $3299 consumer-level 3D printer? What do you think of these creations? Discuss in the 3D printed insects forum thread on 3DPB.com.

3D printed Ant

3D printed Ant

3D printed Mayfly Larva

3D printed Mayfly Larva

insect1 insect2



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