by muzz64, published

Bugz by muzz64 Nov 25, 2016

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Bugz are fun little things that are probably the smallest biting 3D print available... the mouth is springy, opens and closes... and they have teeth. Printed with PLA and at least 25% infill should result in a surprisingly strong bite for such a small creature.

At standard scale Bugz are only 25mm in length, 8mm wide and 11mm tall. This makes them a very small print that takes next to no time and uses less than 2gm of filament including a Raft. Perfect for using off a small amount of filament at the end of a spool.

Bugs are fun things to have around but can also be used for practical applications including use as a peg, clip or bookmark and more. Print lots for yourself (in a range of colors) and great as very small gifts.

Also check out my other similar designs:

'Sharkz' http://www.thingiverse.com/thing:910216

'Piranhaz' http://www.thingiverse.com/thing:1734347

'Z-REX' http://www.thingiverse.com/thing:1594269

'Ratz' http://www.thingiverse.com/thing:1532944

'Crocz' http://www.thingiverse.com/thing:941177

'Woodpeckerz' http://www.thingiverse.com/thing:1155168

'Eaglez' http://www.thingiverse.com/thing:963892

'Catz' http://www.thingiverse.com/thing:988088

'Scorpionz' http://www.thingiverse.com/thing:1001286

Please refer to the print settings and images for additional information. And, post photos of your Bugz for others to see...

Note: If you like this check out the rest of my fun and practical designs.

Print Settings

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Standard / 0.20mm


PLA / 2 Shells / 25% or more infill (to ensure a strong bite)


Easy prints.... use high infill to increase the strength of the bite. Do not scale down otherwise the mouth may fuse shut and not move.


Bugz are easy...

Remove the Raft if used then your Bugz should be ready to bite and clip onto all sorts of things...

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I love these things. I use them as quick 20-minute test prints, and my kiddo gets to keep them afterwards.

I really like the Bugz! However may I propose an alternation? I would suggest that the mouth would be slightly angled so that the teeth would be parallel when they are open. The reason I am suggesting it is because the keep sliding off the things I clip them on.

That point is always a challenge with designs like this as they have a fixed pivot point. The 'flat' position could be at a specific mouth opened point but if the thing it's biting onto is thicker or thinner you will have the same issue. The opening ends up triangulated back to the pivot point making the mouth surfaces no longer flat.

The teeth designed in were intended to compensate for this... and printing with high infill should make the bite stronger. The fact is this is just PLA and compromises always have to be made...

i wish you also have pet cat and dog :D

I do have a 'Wild Catz' design posted and a static cat and 'Dog with a Bone'... biting ones is something I may look at in due course.

All the best

oh thank you :D

Great work! I wish though this wasn't licensed "no derivatives" so i could use these in a circle for a self-tightening spool adapter.

For such small things printed in PLA they do bite pretty well.

just sent a set of 8 of these to my printer... Brilliant at filling a bit of space around other prints (I hate 1/2 empty print beds lol) and so much fun... I'll post back with a "make" once they are off the bed in the morning

These are amazing, a great test print, 15mins and 47cm of filament. Kudos!

I'm really inspired by your work! I just got my printer and this is a good way to test it. Thanks!

Thanks... there ids plenty more out there to print as well so enjoy your new machine.

Thanks i print out all of the new designs that you come up with! And there all amazing.

How do you design these? What software do you use?

All my designs are created using Rhino 5.... great application that makes designing for 3D printing easy. Having said that, you still need to come up with the concept first. I sketch a lot of things out and know the clearances etc. that I need to design in before I start with the design itself. That all comes from experience... the more you do the easier and better you get but you also and up adding in new challenges to make this interesting and s you keep learning.

I hope this helps...

Another great design from you! As an aspiring product designer (or, perhaps, "product designer in training" is the correct term?), there is so much I can learn learn from your designs! Thank you very much!

Thanks for your comment... pleased to hear my designs are helping with your developement

muzz64 - you are genius of design! I printed almost all of your models, some already in dozens. My appreciation for all the fun you give to us!

Thanks for your comment. .. it helps justify the time and effort

Thanks for all the comments... much appreciated!

I have a feeling 'Invasion of the Bugz' has just begun... spread the word.

They are cute cant wait to make some

That is by far the coolest thing I found on thingivers including the coolest presentation of a thing I have ever seen. So funny. Have to follow you and take a look at your other designs.