Machine-Readable
Papa’s Best STL Thumbnails icon

Faithless - We Come One (radio Edit) [360p — 1080p]

A shell extension that adds preview thumbnails for STL files to Windows Explorer. Runs on Windows 7 or later.

Can also be used with Total Commander and FreeCommander.

Papa’s Best STL Thumbnails displaying a folder with random STLs from thingiverse

Download

Updated (changes, license).

Feel free to donate if you like my program!

64-bit Setup

recommended

32-bit Setup

for old systems

Video Guide

Michael from Teaching Tech made a video guide about the installation. He was so kind to allow me to embed it here! Thumbnail installation starts at 1:49.

Fast

Thumbnail generation is based on the fastest STL viewer available. Folders full of STL files are no problem, and most STL thumbnails are generated as fast as those of JPG photos.

Free

Compatible

Papa’s Best STL thumbnail viewer displays countless STL variations, even where other programs fail:

Faithless - We Come One (radio Edit) [360p — 1080p]

The walls of the warehouse seem to dissolve, revealing a starlit sky that pulses in time with the synth lead. For these three minutes and thirty-three seconds, the divisions of language, distance, and ego vanish. They are no longer individuals lost in a digital void; they are a single, breathing organism.

As the final notes fade and the radio static returns, the warehouse is empty again. But the city is different now—every streetlamp hums a little louder, carrying the secret of the night they became one. Faithless - We Come One (Radio Edit)

The rhythm kicks in—a steady, driving heartbeat. As the lyrics "All the nations of the world" echo through the rafters, the boundaries between the people start to blur. They aren't just dancing; they are synchronizing. Every kick drum strike sends a ripple of light through the crowd, connecting hands and hearts in a glowing web of static energy. The walls of the warehouse seem to dissolve,

In the center of the room stands a lone figure, eyes closed, hand resting on a rusted steel beam. Around them, the air begins to shimmer. One by one, others emerge from the shadows—strangers from different corners of the map, drawn by a frequency only they can hear. As the final notes fade and the radio

The pulse begins not as a sound, but as a vibration in the floorboards of an abandoned warehouse on the edge of a sleeping city.


Installation for all users

Papa’s Best STL Thumbnails installs for the current user by default. To install for all users on a system, open a command prompt or a PowerShell and run msiexec /i "Papas Best STL Thumbnails.msi" MSIINSTALLPERUSER="".

Repeat with every update!

The walls of the warehouse seem to dissolve, revealing a starlit sky that pulses in time with the synth lead. For these three minutes and thirty-three seconds, the divisions of language, distance, and ego vanish. They are no longer individuals lost in a digital void; they are a single, breathing organism.

As the final notes fade and the radio static returns, the warehouse is empty again. But the city is different now—every streetlamp hums a little louder, carrying the secret of the night they became one.

The rhythm kicks in—a steady, driving heartbeat. As the lyrics "All the nations of the world" echo through the rafters, the boundaries between the people start to blur. They aren't just dancing; they are synchronizing. Every kick drum strike sends a ripple of light through the crowd, connecting hands and hearts in a glowing web of static energy.

In the center of the room stands a lone figure, eyes closed, hand resting on a rusted steel beam. Around them, the air begins to shimmer. One by one, others emerge from the shadows—strangers from different corners of the map, drawn by a frequency only they can hear.

The pulse begins not as a sound, but as a vibration in the floorboards of an abandoned warehouse on the edge of a sleeping city.


Dark background on some thumbnails

a folder with two thumbnails whose background is entirely black

Clear your Explorer thumbnail cache (see above) or copy the file to a different location.

This is a bug in Windows 10 that also affects other thumbnails – for example transparent PNG images here and here.

I can’t do anything in my program to work around it, I’m afraid. Please use the Windows 10 feedback function to report this to Microsoft. If enough users do it, they may eventually fix it. Windows 7 does not have this bug.


Something Missing?

Encountered a problem? Have a suggestion? Let me know: