Is this 3D model free to download?

Yes, Dual Z-axis alignment bars is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by Coder-Tronics, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Dual Z-axis alignment bars 3D printable model by Coder-Tronics

Dual Z-axis alignment bars

Source: Thingiverse by Coder-Tronics

The Dual Z-axis alignment bars is a free printable 3D model from Thingiverse by Coder-Tronics. My Wanhao Duplicator i3 had a few frame alignment issues but nothing major. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

2,224 saves Source: Thingiverse Updated 2026-10-24 License: CC-BY · commercial OK 34 makes Category: 3D Printer

Tags: Duplicator i3 Wanhao, monoprice, monoprice makerselect, prusa i3, Wanhao, Wanhao Duplicator, Wanhao Duplicator I3, Wanhao I3, X-axis alignment, z-axis alignment

About this model

My Wanhao Duplicator i3 had a few frame alignment issues but nothing major. I found the frame where the Z-axis motors are would touch my table surface and the Y-axis frame would rock slightly (2-3mm) pivoting on the Z-axis frame pilars. If your frame is seriously out of align then other remedies will be needed, but the next part of the description has really worked for me. Fitting feet to my frame improved this issue massively and made the whole frame feel very solid. I used a spirit level across the 2 Y-axis linear rods to level the whole printer, both back and front. Before this my hotbed springs were very misaligned in-order to get the hotbed glass flat and tuned to the X-Z axis gantry. These are the feet I am using After this alignment and a few other additions (see my other uploads) a…

Frequently asked questions

Is this 3D model free to download?: Yes. Dual Z-axis alignment bars is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link above to open the original listing.
Where is the STL hosted?: The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by Coder-Tronics.
Who made this model?: Designed by Coder-Tronics, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?: Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.