.CONN File Extension
Bricklink Studio Connection Data
| Developer | LEGO |
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What is a CONN file?
A CONN file is a data file used by LEGO BrickLink Studio, a program used to create and share custom LEGO designs. It describes how a LEGO part can connect to other LEGO parts. Both default and custom BrickLink Studio parts use CONN files.
More Information
BrickLink Studio allows LEGO enthusiasts to create custom LEGO models (saved in .IO files) and instructions for building those models. They can then share those models with other LEGO enthusiasts. They can also upload the models to the BrickLink market, allowing themselves and others to purchase them.
Each part used in BrickLink Studio consists of a DAT file, CONN file, and .COL file. The CONN file describes the part's connections (how it can be attached to other parts). BrickLink Studio's default CONN files are stored in the following directory:
~/Studio 2.0/ldraw/connectivity
CONN files for custom parts imported from LEGO PartDesigner are stored in the following directory:
~/Studio 2.0/CustomParts/connectivity
How to open a CONN file
CONN files are not meant to be manually opened. LEGO BrickLink Studio (Windows, Mac) loads and uses CONN files as needed.