Engineering CAD Design Library

Browse quality-checked 3D CAD models. Preview online and download STEP/STP, IGES, STL and more—filter by category, tags, file type, price and popularity.

All Designs (10000 results)
RUBRUKS STDU-360 Electric Traction Drive Unit for Electric and Hybrid Vehicles
RUBRUKS STDU-360 Electric Traction Drive Unit for Electric and Hybrid Vehicles
Automotive
Rubruks Stdu-360
Electric Traction Drive
.STEP
1
0
Free
Low Bed Semi-Trailer with Curtain and Axis Control
Low Bed Semi-Trailer with Curtain and Axis Control
Automotive
Tridec Axis Control
Low Bed Semi-Trailer
.STEP
0
0
Free
Airbus A400M ATLAS Detailed Aircraft Design Project
Airbus A400M ATLAS Detailed Aircraft Design Project
Aerospace
Variable Pitch Propellers
Kinematic Simulation
.STEP
0
0
Free
North American B-25 Mitchell Medium Bomber 3D Model
North American B-25 Mitchell Medium Bomber 3D Model
Aviation
Military Aircraft
3D Model
.STEP
0
0
Free

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Automotive Design Model Created with Fusion 360
Automotive Design Model Created with Fusion 360
Automotive
Engineering Model
Automotive Design
.STEP
0
0
Free
Airbus A400M Atlas Detailed Aircraft Design Project
Airbus A400M Atlas Detailed Aircraft Design Project
Aerospace
Variable Pitch Propellers
Aerodynamic Simulation
.STEP
0
0
Free
Moto Glider CAD Model for Engineering and Design
Moto Glider CAD Model for Engineering and Design
Aerospace
Ultralight Aircraft
Aerospace Design
.STEP
0
0
Free
Falcon Rocket by SpaceX - Aerospace Engineering Model
Falcon Rocket by SpaceX - Aerospace Engineering Model
Aerospace
Falcon Rocket
Aerospace Engineering
.STEP
0
0
Free
High-Quality Automotive Class A, B, and C Surfaces for Industrial Design
High-Quality Automotive Class A, B, and C Surfaces for Industrial Design
Automotive
Class B Surfaces
Class C Surfaces
.STEP
0
0
Free
LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS
LADDER FRAME CHASSIS WITH MOUNTINGS || NX SIEMENS
Automotive
Cars
Design
.STL
19
0
$100
Outdoor Indutrial CAM | Special Purpose cameras
Outdoor Indutrial CAM | Special Purpose cameras
Industrial Design
Design
3D printing
.STP
41
0
$30
8 inches ALLOY WHEEL | HIGH QUALITY MODEL
8 inches ALLOY WHEEL | HIGH QUALITY MODEL
Automotive
3D modeling
Solidworks
.STEP
13
1
$5
Screenshot 2026-01-17 145653.png
crowd barrier drawing with 3d Cad file
Machine design
CAD
.DWG
2
0
$5
Screenshot 2026-01-17 145823.png
3D AutoCAD Chair Model With All Details.
Architecture
CAD
Design
.DWG
6
0
$15
EXHAUST
EXHAUST
Automotive
.IGS
10
0
$18
DODGE HOOD
DODGE HOOD
Automotive
.IGS
76
0
$22
BRAKE CALIPER
BRAKE CALIPER
Automotive
.STL
27
0
$32
HELICAL GEAR
HELICAL GEAR
Automotive
.STL
16
0
$22
CRANKSHAFT
CRANKSHAFT
Automotive
.STL
7
0
$32

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