
LEGO Technic Frame STL Models for 3D Printing
This collection gathers STL files for LEGO Technic frame parts, from open-center liftarms to box frames and axle mounts. It is useful when you need a replacement or a custom frame for a 3D printing project. Check the model page for dimensions and assembly details before you start. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.
Le texte de cette collection est rédigé en anglais ; la recherche, elle, fonctionne dans toutes les langues.
Comment cette collection est composée
Polyzon compose cette collection à partir des résultats de recherche des plateformes connectées. Les doublons et les modèles sans aperçu sont retirés, les correspondances faibles sont placées à la fin, et le reste suit l’ordre de la recherche. Les modèles appartiennent à leurs auteurs : consultez les conditions sur la page de chaque modèle.
Règles de sélection : la rédaction de Polyzon · Texte mis à jour le 13/10/2026
Par où commencer
Tous les modèles de cette collection

Lego technic frame 11 x 15 (part 39790)

Lego Technic 4M Beam

LEGO-Technic-Compatible Frame

Lego Technic 42165 Wall Mount + Frame Background

Fancy Lego compatible technic frame

Lego Technic 3 cylinder frame

lego technic kit

Lego Compatible (64179.dat) Technic Beam Frame 5 x 7 with 3 x 5 Opening Thick

Lego Technic15x5 Box Frame

Lego Compatible (92908.dat) Technic Steering Portal Axle Frame

LEGO Technic Compatible 19x3 frame 67491

Ruler for LEGO Compatible Parts

Lego Technic Compatiable, Liftarm, Modified Frame Thick 11 x 15 Open Center

Lego Technic, Liftarm, Modified Frame Thick 7 x 11 Open Center - 39790

Custom LEGOs Technic Frame + Gear Rack Set

lego technic beam frame 5 x 7 x 1

LEGO TECHNIC 5x1x7

LEGO Technic compatible custom 10x5 frame

Lego technic : BEAM I -FRAME 3X5 90 DEGR. HOLE Ø4.85

Hummingbird Bit Lego Technic Compatible Frame Holder (9x13)

Lego Technic, Liftarm, Modified Frame Thick 11 x 15 Open Center - 39790

Lego Technic Pin

Lego Technic Custom frame 9x13

Lego Technic triangular frame

Lego Technic, Liftarm, Modified Frame Thick 11 x 15 Grille Center (Maker Plate) - 65817

Hummingbird Bit Lego Technic Compatible Frame Holder (9x13)

LEGO TECHNIC Panel/Base

Frame for LEGO Technic 42141 Formula 1 McLaren

LEGO Technic Gears

LEGO Monowheel Frame and Gearbox Assembly

Lego Technic Axles

Lego Technic, Liftarm 1x5 Thick, 32316

Building Blocks COMPATIBLE with Lego Technic

Lego Technic Bricks (Beams)

LEGO TECHNIC COMPATIBLE Gears & Differential

Lego Technic 42146 new parts frames
LEGO Technic Forklift Beam

Lego compatiple Window frame large 60594

Lego Technic Supercar-Series Wall Mounts (Porsche, Bugatti, Lamborghini, Ferrari)

11x7 Technical Beam Frame (Alternating Holes)

9x5 Technical Beam Frame

Lego Technic Cars

7x7 Technical Beam Frame

Ultimate Lego beam and frame BRICKS generator, yeah BRICKS

3x3 Technical Beam Frame
«LEGO Technic Frame STL Models for 3D Printing»
Frames in this topic range from open-center liftarm shapes and thick rectangular beams to box frames, steering or axle mounts, and display or wall-mount pieces. Some are simple flat plates with pin holes, while others combine a frame with a gear rack or a multi-cylinder layout. The main differences are the outer dimensions, hole spacing, thickness, and whether the frame is open in the middle.
When choosing a frame, check the listed size and scale, the number of parts, and how the pieces join. Look at the pin and axle hole layout, the thickness of the beams, and any notes about supports or orientation. The author's material and slicer settings, plus photos of real prints, help you judge how the part will behave on a 3D printer.
To narrow the search, try terms such as liftarm, beam, box frame, open-center frame, axle mount, or gear rack. Related topics include LEGO Technic beams, pins, axles, connectors, and custom structural parts. Adding a size or hole count can bring up specific frame shapes, while broader words like frame or chassis may return more options.
Questions fréquentes
What is a LEGO Technic frame?
How do I choose the right frame size?
Do these frames need supports?
Can I scale a frame for a different build?
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