
Stereolithography (STL) is a file format used to describe the surface geometry of a 3D object, often in preparation for 3D printing that object.
STL Resource

STL Guidelines To Get The Best 3D Printed Parts
Created by FATHOM's Application Engineering Team, this 4-page STL guideline for 3D printing and additive manufacturing will help you get the best quality parts for your project. The easy-to-read PDF includes sections on why STL files are used, export best practices, difficulties you should expect to encounter, and much more.
Learn more
Latest in STL
Prototype/Manufacture

CloudDDM Found a Winning Formula by Keeping Printing and Shipping Activities Closer
Design
SpaceClaim’s Snappy Return with STL
Glossary Quick Look
Glossary
A
B
C
D
E
F
G
H
I
J
L
M
N
O
P
Q
R
S
T
V
Latest News
Dr. Hans Langer Selected for AMUG Innovators Award
Optomec 3D Metal Printing Technology Chosen by Navajo Technical University for NASA Mission
Healthcare Grant from Protolabs Leads to Innovative Feeding Tube Inventions
Editor’s Picks: Dec. 5-11, 2019
All posts
Editors’ Picks

Editor’s Pick: Engineering GPU with World-First Specs
AMD Radeon Pro W5700 is a professional PC workstation graphics card designed...

Editor’s Pick: Bridging the Gap Between Design and Additive Manufacturing
MSC has built Apex Generative Design with a goal of improving productivity...

Editor’s Pick: Tap Into More Powerful Simulation of Coupled Multiphysics Phenomena
New features in COMSOL Multiphysics Version 5.5 include simplified shape and topology optimization;...

Editor’s Pick: Automate New Design Space Workflows
nTop Platform 2.0 designed to help engineers design high-performance parts faster.