Machine-Readable
Papa’s Best STL Thumbnails icon

Now In 4k Hd Video -

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:

Now In 4k Hd Video -

Loses half a star because once you go 4K, you can never unsee low-res text on a diner menu background. Ignorance was bliss. Now you’re a pixel snob. You’re welcome.

For years, we squinted at pixelated dragons, blurred footballs, and faces that looked like melted crayons. Then came the promise: Now in 4K HD Video. Four simple words that whisper luxury to your eyeballs. now in 4k hd video

You need a 4K screen. And a fast connection. And often a paid subscription. Without those, “Now in 4K HD Video” is just a taunt — like showing a gourmet meal to someone with a fork and no mouth. Loses half a star because once you go

Here’s an interesting, slightly playful review of the phrase “Now in 4K HD Video” — as if it’s a product or feature rather than just a label. “Now in 4K HD Video” – The Review You Didn’t Know You Needed You’re welcome


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!

Loses half a star because once you go 4K, you can never unsee low-res text on a diner menu background. Ignorance was bliss. Now you’re a pixel snob. You’re welcome.

For years, we squinted at pixelated dragons, blurred footballs, and faces that looked like melted crayons. Then came the promise: Now in 4K HD Video. Four simple words that whisper luxury to your eyeballs.

You need a 4K screen. And a fast connection. And often a paid subscription. Without those, “Now in 4K HD Video” is just a taunt — like showing a gourmet meal to someone with a fork and no mouth.

Here’s an interesting, slightly playful review of the phrase “Now in 4K HD Video” — as if it’s a product or feature rather than just a label. “Now in 4K HD Video” – The Review You Didn’t Know You Needed


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: