Thingiverse Customizer

What is Thingiverse Customizer?

Thingiverse Customizer, originally built by MakerBot, was the first widely used way to personalize 3D models without CAD. Designers upload an OpenSCAD file with specially formatted parameters, and anyone can press Open in Customizer to get a form with sliders, dropdowns and text fields instead of code.

Years of uploads mean a very large back catalog of customizable things, from prosthetic hands like the UnLimbited Arm to drawer boxes, gear bearings and car phone holders. You change the values, create your own version and download the STL.

Reliability is the catch. The customizer has gone through long outages, and in September 2026 Thingiverse showed a notice that a new Customizer experience was being built. The Open in Customizer button still appeared on featured things, but expect slow renders and the occasional failure, and keep a local copy of OpenSCAD as a fallback.

What you can make

• Customized name tags and boxes
• Parametric gears and clips
• Assistive devices
• Remixes of classic Thingiverse designs

How to use Thingiverse Customizer

1. Find a Thing tagged customizer
2. Click Open in Customizer
3. Change the parameters and preview
4. Create the Thing and download the STL