This is the KDE / KIO plugin for stl-thumb. It shows previews of .stl
files in Dolphin and throughout the KDE desktop.
You will first need to install stl-thumb.
A package is available in the AUR. Install it manually or using your favorite AUR helper.
$ yay -S stl-thumb-kde
Download the .deb package for your platform (usually amd64) and install it. Packages are also available for armhf (Raspberry Pi) and arm64 (Pine64 and other SBCs).
$ sudo apt install ./stl-thumb-kde_0.4.0_amd64.deb
Download the .rpm package and install it.
$ yum localinstall stl-thumb-kde-0.4.0_amd64.rpm
For openSUSE Tumblweed there is a user repo available:
$ sudo zypper ar -f obs://home:jubalh:stl stl
$ sudo zypper ref
$ sudo zypper install stl-thumb-kde
Build dependencies:
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
sudo make install
cpack