Z-Axis shim spacer for 2016 FlashForge Creator Pro (for glass bed, customizable)

by DrLex, published

Z-Axis shim spacer for 2016 FlashForge Creator Pro (for glass bed, customizable) by DrLex Nov 12, 2016
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If you want to install a glass bed on your printer, you need to adjust the height at which the Z endstop is triggered, because the extra thickness of the glass is added to the platform. If you don't do this, you are likely to run out of adjustment length of the levelling springs and be unable to level the plate, or risk breaking the glass.

The easiest way to do this, is to add a shim to the platform at the location of the Z endstop. There are many shims available but I couldn't find any for the 2016 FlashForge Creator Pro which seems to have screws in different places than other models, so here's a remix that fits. Ready-to-use models are available in thicknesses from 2 to 6 mm (0.08 to 0.24 inch).
For those who want to make a custom shim of any thickness between 1 and 10 mm, use the Customizer button!

The shims are designed to slightly clamp themselves between the rods, but if you print them in PLA and often do prints with a hot closed chamber, they may lose their ‘springiness’ over time and become a little wiggly. This is not a problem and does not affect their effectiveness.

Print Settings

Printer Brand:






Doesn't Matter


0.2 mm




It is advisable to make sure the shim is perfectly flat to avoid ‘springiness’ while the Z endstop switch is being pushed, which could reduce accuracy. If the part is noticeably curved after removing it from the platform (which tends to happen a lot with ABS prints), use a hair dryer or hot water to soften it, and carefully bend it in the other direction to make it flatter.



Added 6 mm version


Added Customizer to allow making shims of any thickness


Added an option to Customizer to reinforce the center of the part around the hole for the Z axis leadscrew. This allows to make thin shims that do not bend easily.

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Can you print at 0.2mm on the FlashForge Creator Pro? I just purchased one and a lot of what I'm seeing on this site wants 0.1mm or .02mm. I can't go below 0.5mm with FlashPrint. I'm I doing something wrong?

I don't use FlashPrint, but no slicer program should even allow to print at 0.5mm layers with a 0.4mm nozzle. The maximum sensible layer height for a 0.4mm nozzle is 0.3mm. 0.2 is very common for prints that don't require fine details. I haven't seen many things or makes that were printed at less than 0.1mm. Only SLA printers will usually go below 0.1mm layers.
Are you sure you're not off by a factor 10 somewhere? You can ask your question in the FlashForge group, there certainly are other FlashPrint users who can help you.

This is great because it allows me to switch shim sizes for glass and the Zebra plate. Very cool

Have you considered making this a customizeable version? The design is great, but the glass plate from FF directly is .25" (6.35MM.) I plan on trying the 6MM print and adjusting the bed to make up the difference, but it would be nice to be able to make one at exactly the right thickness.

Customizer is now available.

What i would do is import the 6mm shim to tinkercad and just make it the exact thickness you need. Save the file and export it as an stl and print. That's what I will be doing for something that needs to have an exact thickness.

Works great, thank you! I am running your v6 cooling duct as well and it is a real treat having both nozzles for PLA, well done.