Search by part number
Find a specific brick in the STL library, preview its geometry, check its dimensions, and choose the scale you need.
3D-printable brick library
LEGO-compatible STL files for 3D printing.
Search printable brick models, generate organized set packs, choose your scale, match filament colors, and keep every part of a large print project accounted for.
From part number to print bed
One workspace for individual STLs and complete brick-set projects.
Generate complete set packs
Enter a set number to assemble available parts into a ZIP organized by color and quantity instead of downloading files one at a time.
Scale for your printer
Resize compatible brick models for miniature builds, standard-compatible tests, or oversized display projects.
Track every printed part
Save a project, update printed quantities, and filter the checklist to remaining or completed components.
Choose a starting point
Find one brick or prepare a complete build.
Browse the STL library
Search by brick part number and preview the printable model before downloading.
Generate a set pack
Create a color-sorted STL ZIP and save it as a trackable print project.
Popular brick STL pages
Start with commonly searched part numbers.
ScaleMySet is independent from the LEGO Group. LEGO is a trademark of the LEGO Group and is used here only to describe compatibility and help builders identify the parts they are looking for.