【3D Printing】9 Free 3D Printer Torture Test Models

 
All-in-one
This all-in-one 3D printer test does exactly what its name suggests!
Overhangs, bridges, stringing, extrusion, temperature, belt tension — this model tests them all.
If you want to test your printer on multiple aspects, be sure to give this torture test a try!
Who designed it: majda107
How popular is it: Over 220 Thingiverse users have posted makes of this model, including various interesting failures and breathtaking successes. Hopefully, after tuning your machine, yours will be one of the successful ones.
Test model link

 
Spiderweb
This Halloween-themed stress test aims to verify your machine's bridging capabilities.
If all goes well, you should see no stringing or loose filaments.
The model consists of a thin web supported by a base and a cute spider perched on the web.
The web bridges are quite wide and consist mainly of single lines of 3D printing filament, making this a challenging and fun print to attempt.
Of course, no supports should be used during printing.
Who designed it: E3D_
How popular is it: The model has over 15,000 downloads and nearly 800 shared makes, so it's definitely printable.
Test model link
Torture Toaster
Next up, this 3D-printed toaster with two hinged doors and a lever will put your printer to the test!
It's designed to verify tolerances, overhangs, and bed adhesion. If all goes well, you should be able to push the lever to make the toast pop up, just like in a real toaster.
However, if your printer isn't up to the task, your toast won't budge! The creator recommends printing with 20% infill and a 0.2mm layer height as a starting point. No brims or supports are needed.
Who designed it: Clockspring
How popular is it: This design has approximately 43,000 downloads and over 350 posted makes online.
Test model link
Cali Cat
The Cali Cat is a simple and cute model that tests your printer's dimensional accuracy, overhangs, details, bridging, extrusion, and vibrations in under an hour!
This feline model is designed for initial calibration and will help you achieve perfect prints in no time.
Plus, if you print one cat twice the size of another, the smaller cat will fit right on top of the larger one.
Who designed it: Dezign
How popular is it: Over 600 Thingiverse users have posted makes of this model, and there are over 110 modified versions! Various materials have been used to print on many different machines.
Test model link
Calibration Robot
This posable, print-in-place robot features 17 functional joints with varying orientations, couplings, and tolerances.
The tolerances range from 0.2 to 0.5 mm, allowing you to test the smallest clearance your printer can produce while still achieving movement in all joints.
The designers explain that this model is intended as a tool for finding the optimal settings for your printer.
They found success with the following settings: 0.4 mm nozzle, 0.2 mm layer height, PLA, 3 walls, 4 top/bottom layers, and 10% infill.
You only need 20 grams of filament to print one cute robot!
Who designed it: Kazi Toad
How popular is it: This fun test model has over 4,000 downloads and 63 shared makes online.
Test model link
Phil A. Ment
Phil A. Ment is MatterHackers' lovable mascot, designed to help makers calibrate.
The torturous targets include some small embossed and inlaid details, as well as the smooth dome of Phil's helmet.
Other tricky tests include overhangs, bridging, cylinders, fillets, and chamfers.
The recorded minimum and maximum print heights are 5 mm and 1,397 mm respectively, so scaling this test print should be no problem.
You can even choose from multiple versions of Phil, including models optimized for resin, and even a Christmas Phil!
Who designed it: MatterHackers
How popular is it: Over 200 varieties have been posted on Thingiverse, with many people sharing their Phil A. Ment armies!
Test model link
Five-millimeter step
The next calibration print consists of many 5 mm cubes arranged in a stair-like pattern on the side of a quarter pyramid.
However, if the design only had 5 mm cubes, not much would be tested; the model also includes gaps for bridging tests.
According to the designer, this calibration model allows you to check your printer's dimensional accuracy and cooling settings.
Who designed it: MCroucher
How popular is it: This 5 mm cube test print has nearly 230 recorded makes on Thingiverse, with 9 modified versions. Most of the shared images so far are successful prints, so achieving a nearly perfect print of this model should be possible.
Test model link
Slanted angles
This test highlights the effect of stair-stepping on prints based on the slope angle. Stair-stepping is the appearance of tiny steps instead of smooth curves, which is an almost unavoidable result of FDM prints.
This design includes nine different angle arrangements from 5° to 85° (each angle adds up to 90°), allowing you to understand which angle works best to minimize the stair-stepping effect on prints with slopes.
Once you find the correct angle, you can correctly orient models that include curves, so that the curves are at the determined angle and the slope appears more uniform and natural.
Alternatively, you can print some calibration models at different layer heights and use the one that works best.
Who designed it: Devstroyer
How popular is it: This slope test print has been viewed over 24,100 times and downloaded over 2,100 times. Although there are no community prints, the designer has posted many images of beautifully printed models, so printing this calibration model should be easy.
Test model link
 

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