I saw some of these posted a few days ago.

3D Printing
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I saw some of these posted a few days ago. I had to take a stab at it. I printed both at the same time (I have two boys and they get jealous). I got to test small details and retraction between objects on my Bowden setup. Worked pretty well, but could use more cooling on the top keyring area.

Toner Plastic from Microcenter PLA @ 220C
Print speed 50mm/s, non print moves 90mm/s
Heated bed 60C on first layer only
4mm retraction
Eustathios printer with Azteeg X3 V2 and latest Marlin firmware using 9000mm/sec2 acceleration settings. Sliced in Cura 14.01 at .18mm layers. E3D v6 hot end.

https://www.youmagine.com/designs/3d-hubs-marvin-key-chain--4

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very nice

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Looks nice! I am going to do 2 for my kids too… This way no fights! Thanks for the #dadadvice

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So I finally found out where these things started popping up from! 3Dhubs.com apparently has you print one of these and send pictures in order to join their 3D printer network and print things for money.

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I had no idea. I just thought its what the cool kids did :slight_smile:

My printers spend most of the time printing printer parts and upgrade ideas. That and knick knacks so the kids stay happy.

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Was wondering why everyone was printing out Marvin. Like @ThantiK said, it’s a way to get a free review from 3dhubs. The more customer reviews you receive, the higher you go up the hub ladder.

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I like the idea of having a cute, standardized test piece for judging a printer’s quality. Marvin might not cover all bases, especially when it comes to mechanical parts, but it’s a pretty good start.

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Nice to see you have the new machine tuned in so well. Congrats.