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)
Tattu 6S 6000mAh LiPo Battery for High-Performance Applications
Tattu 6S 6000mAh LiPo Battery for High-Performance Applications
Robotics
Lipo Battery
Tattu 6S 6000Mah Lipo Battery
.STEP
0
0
Free
3D Printed Dual Fan Power Plant Model Using PETG Material
3D Printed Dual Fan Power Plant Model Using PETG Material
Energy And Power
Dron 1
Power Plant
.STEP
0
0
Free
Hexacopter Seeder Drone Aerodynamic Model
Hexacopter Seeder Drone Aerodynamic Model
Robotics
Drone
Agricultural Robotics
.STEP
0
0
Free

Don't see what you need?

Get a custom CAD file built by a vetted specialist — delivered production-ready in 24 hours.

Hire a Designer
500+Projects Done
24 hrResponse
15+CAD Tools
3U CubeSat Deployer with Motorized Door and Magnetic Clamp Mechanism
3U CubeSat Deployer with Motorized Door and Magnetic Clamp Mechanism
Aerospace
Mechanical Design
Satellite Deployment
.STEP
0
0
Free
High-Altitude Autonomous Balloon Payload for Solar Eclipse Tracking
High-Altitude Autonomous Balloon Payload for Solar Eclipse Tracking
Machine design
Aeetes V2 1
Design Engineering
.STEP
0
0
Free
Upper Assembly Component for Design Reference
Upper Assembly Component for Design Reference
Machine design
Aap01 Upper Assembly 1
Mechanical Design
.STEP
0
0
Free
Articulated Figure CAD Model for Design and Animation
Articulated Figure CAD Model for Design and Animation
Medical
Boneco Articulado 1
Articulated Model
.STEP
0
0
Free
24V DC Heating Fan for Thermal Management
24V DC Heating Fan for Thermal Management
Electrical
24V
Thermal Management
.STEP
0
0
Free
15mm Oldham Coupling for Precision Shaft Connections
15mm Oldham Coupling for Precision Shaft Connections
Machine design
Coupling
Oldham Coupling 92
.STEP
0
0
Free
3D Model of a Solid PET Bottle with Flat Bottom
3D Model of a Solid PET Bottle with Flat Bottom
Industrial Design
Pet Bottle
Khs Corpoplast
.STEP
0
0
Free
3D Model of Bistro with Industrial Chair - Realistic Design
3D Model of Bistro with Industrial Chair - Realistic Design
Industrial Design
Chair Design
Bistro Com Cadeira Industrial 1
.STEP
0
0
Free
Step-by-Step SolidWorks Practice for Beginners
Step-by-Step SolidWorks Practice for Beginners
Machine design
Practice Award Part 1
Product Development
.STEP
0
0
Free
Voronoi Pen Holder 3D Model - Geometric Desk Organizer
Voronoi Pen Holder 3D Model - Geometric Desk Organizer
3D Printing
Design Engineering
Manufacturing Preparation
.STEP
0
0
Free
TPU Rim Protector for Tire Mounting Machine
TPU Rim Protector for Tire Mounting Machine
Automotive
Felgenhalter
Tpu
.STEP
0
0
Free
1/10 Scale Rim Compatible with 85mm Tires
1/10 Scale Rim Compatible with 85mm Tires
Automotive
Wheel Rim
85Mm Tire
.STEP
0
0
Free
Ergonomic Laptop Riser for HP Z-Book Fury G11 Workstation
Ergonomic Laptop Riser for HP Z-Book Fury G11 Workstation
Industrial Design
Product Development
Ergonomic Accessory
.STEP
0
0
Free
Gear Pump Base CAD Model for Engineering Design
Gear Pump Base CAD Model for Engineering Design
Machine design
Pump Housing
Gear Pump Base 5
.STEP
0
0
Free
Adapter Plate for Upgrading QIDI 4PLUS 3D Printer Cooling Fan
Adapter Plate for Upgrading QIDI 4PLUS 3D Printer Cooling Fan
3D Printing
Cooling System
Upgrade
.STEP
0
0
Free
Brass 0.4mm V6 Nozzle CAD Model
Brass 0.4mm V6 Nozzle CAD Model
3D Printing
Extruder Component
Brass 0.4Mm V6 Nozzle
.STEP
0
0
Free
Brass PTFE Coupler for Prusa Mini 3D Printer
Brass PTFE Coupler for Prusa Mini 3D Printer
3D Printing
3D Printer Part
Prusa Mini
.STEP
0
0
Free
Prusa Nextruder Nozzle Adapter CAD Model
Prusa Nextruder Nozzle Adapter CAD Model
3D Printing
3D Printer Component
Prusa Nextruder
.STEP
0
0
Free

Need a file that doesn't exist in the library?

Describe your requirement and we'll match you with a vetted CAD expert. SolidWorks, AutoCAD, Revit, Fusion 360 and 15+ tools supported.