Aside from Marvin, there are a bunch of other prints that will help optimize your 3D printer and get a better understanding of its different settings. While these calibration tests will likely be frustrating, they will ultimately help take your printing to the next level.

Benchy
3DBench_v1.JPG

http://www.thingiverse.com/thing:763622

What it tests: Surface Features / Resolution , Warping, Overhangs, First Layer Problems

Tips: Creative Tools already posted a Talk thread on Benchy and would be the best person to ask!

https://www.3dhubs.com/talk/thread/jolly-side-calibrating-3d-printers

Overhang Test
OverhangTest_0.jpg

https://www.thingiverse.com/thing:58218

This object is used to test and calibrate better overhangs with relatively flat angles. It’s designed to test angles from 20° to 70° with increments of 5°. There are angle marks at the top of the object.

What it tests: Overhangs!

Tips: Increase or decrease by 5 degrees to see the difference. Slow down the print speed to let the parts cool between layers.

Torture Test


http://www.thingiverse.com/thing:33902

What it tests: Corners, layer alignment, overhangs, holes, and basically everything hard about 3D printing

Tips: A lot of trial and error. 15-20% infill, no supports, and a willingness to experiment

Temperature Test
TempTest.JPG

http://www.thingiverse.com/thing:696093

What it tests: The optimal temperature for that particular filament, Gcode is optimized for Ultimaker

Tips: No real tips here, just pick the one that looks the best to you.

As many of you know, each printer has its own personality and these are not absolute tips, but more of a direction to to get you started tinkering. If you have any other prints that you regularly use to calibrate your printer, feel free to share!

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Nice collection. Is the torture test then an ultimate test of your abilities? It seems like it really tests anything.

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Great test objects. I have a lot of work to do as my Marvin test prints don’t look that well. The new natural PLA filament I have isn’t performing near as good as the black PLA.