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Bed Leveling Calibration Test Object (Parametric)

by pgreenland, published

Bed Leveling Calibration Test Object (Parametric) by pgreenland Nov 15, 2012
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Summary

Parametric version of bsutton's excellent bed level test object. Includes a greater number of test points spread evenly across the bed.

This object is designed to help you check that you are correctly leveling you printer bed. It prints nine super thin squares in each corner of you printer bed.

The objects should appear even with a smooth surface.

Instructions

Level your bed, print the object and check the results.

You may want to download the scad file and adjust the x and y dimensions to match your printer bed.

The default values are:
X_MAX_LENGTH = 210;
Y_MAX_LENGTH = 178;

See the calibration page on reprap.org for full details on calibrating your printer.

reprap.org/wiki/Calibration#Bed_Leveling

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Cant seem to see the levels slic3r dose not even see one level.

Hi, you may want to check your layer thickness in Slic3r. I can't from memory remember how thick the calibration object is (I think it's 0.1mm). Slic3r used to select 0.3mm by default, hence for anything less than this it doesn't generate any G-Code. Hope this solves your issue. Phil

I want to extend my thanks to the folks who have put calibration prints up on this site. I tried to ask the support team at Lulzbot for just such prints and was told that "We are a 3D print company not a 2D print company and do not have such files for download." Sheeeeesh! I just wanted to test my level by printing a "first layer" to check level.

Thanks! Happy to help. :-)

would this also work for circular beds?

Hey RamboMaker,

Sorry for the slow reply.

I don't see why not, although it may be a bit tricky setting it up for a round bed.

The original idea was to print a series of squares of minimal thickness, across the whole bed area. Helping to ensure the first layer correctly adhered to the bed, proving the bed is (relatively) level at the same time.

Hope that helps,

Phil

Cant seem to get to print in Cura :(

Hey, apologies for taking a while to get back to you. I'm not familiar with Cura I'm afraid. However if it's similar to Slicr you may want to compare your layer thickness with the model. I've found that Slicer won't write any g-code if the object doesn't reach it's layer thickness before, which makes sense :-)

One of the best methods I have seen for bed leveling. Big thumbs up, and thank you for making my life easier.

This is awesome! It's being rotated in as my standard bed-leveling model. Might remix slightly to make a Customizer-compatible version to allow for specifying height (for leveling at different layer heights) and bed dimensions.

Thanks for this!

thanks :) This is the best calibration model that i've used

This is a great tool. Thanks for the share

I found this extremely useful to level my print bed.
I just start the print and while it's filling out one of the squares, I keep adjusting the nearest screw until the layer is flat and clean.
Takes around 15 minutes for the whole thing, but I found this to be the most precise way to get my bed level and the only way to get it perfectly right :)

Thanks a lot for that.

I cant print this dunno why :| My printer does the autolevel and then just stops... like if there was nothing to print! :| But i can print other objects, can someone help me out please?

Hi, You might want to check the layer height settings on your printer's slicing software. The calibration object is deliberately very thin (0.1mm) so a layer height greater than this will likely result in nothing being printed. I believe I had exactly the same problem when I first tried printing it. :-) Good luck!, Phil

Yeah .... I realised that after a good night sleep LOL was too tired... and i'm a bit dumb too LOL Thanks a lot man =)

This might be good to combine with printing anything - so that the printer gets to warm up on a thin shape somewhere other than the main piece. 

That's a good point Nath, might try that sometime.

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