OB1.4 open beam 3D printer 3D printable model by Wired1

OB1.4 open beam 3D printer

Source: Thingiverse by Wired1

The OB1.4 open beam 3D printer is a free printable 3D model from Thingiverse by Wired1. This is my second printer design and is based on my first printer the OB1 with a reengineered top end. You can download the STL file from the original listing below and print it at home.

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152 saves Source: Thingiverse Updated 2026-04-18

Tags: OB1.4, open, beam, 3D, printer

About this model

This is my second printer design and is based on my first printer the OB1 with a reengineered top end. The 1.4 features greatly increased build height and now has a massive build volume of 200mm x 200mm x 200mm (8" x 8" x 8") with an open front design yet is still 100% printable on an existing reprap printer. The aim here was to make a larger volume printer that did not need specialist parts, laser cutting or CNC machinery to make. The 1.4 designation comes from the new side frames resembling the number '4'. If you have already built the earlier OB1 printer you can reuse a lot of the original plastic parts as well as all of the extrusions although this new printer uses less extrusion and some will require shortening. The x-axis ends and carriage are now included but have not yet been teste…

Frequently asked questions

Is this 3D model free to download?
Yes. OB1.4 open beam 3D printer is free to download from Thingiverse. Click the "Download free STL" button 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 Wired1.
Who made this model?
Designed by Wired1, 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.

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