A fast STL file viewer. Designed to quickly load and render very high-polygon models, showing 2 million triangles at 60+ FPS on a mid-range laptop.
Ubuntu 24.04 does not ship fstl in its repositories. This build provides:
| Version | 0.11.1-6netlinux1-1 |
|---|---|
| Architecture | amd64 |
| Component | main |
| Download | fstl_0.11.1-6netlinux1-1_amd64.deb |
| Upstream | github.com/fstl-app/fstl |
| Source | github.com/netlinux-ai/fstl |
| Option | Description |
|---|---|
--iso, --isometric |
Start with isometric view (Z up, Y away, X toward) |
--ortho, --orthographic |
Start in orthographic projection mode |
--perspective |
Start in perspective projection mode |
--view <az,el> |
Set view angle as azimuth,elevation in degrees (e.g. --view 40,30) |
--screenshot <file> |
Save screenshot to file and exit |
The axes orientation widget and numerical Az/El readout are displayed by default.
# Open a file in isometric view with orthographic projection
fstl --iso --ortho model.stl
# Render a screenshot at a specific angle and exit
fstl --view 40,30 --screenshot render.png model.stl
# Batch render
for f in *.stl; do
fstl --iso --ortho --screenshot "${f%.stl}.png" "$f"
donesudo apt install fstlSee the main page for repository setup instructions.