Engineering CAD Design Library

Browse quality-checked 3D CAD models for engineering, product design, prototyping and manufacturing. Preview models online and download files in STEP, STP, IGES, STL, OBJ, PLY, DWG, DXF and more.

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Curated systems with verified mating parts — download the whole assembly at once.

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CONSUMER ELECTRONICS

iPhone Accessory & Case Design Kit

A practical iPhone accessory cluster for designing cases, charging stands, holders and fit-checking around real phone geometry.

6 partspairs verified
DRONES / UAV

250 mm FPV Drone Build Kit

A complete FPV quad build cluster covering frame, propulsion, camera, control electronics, battery housing and mounting hardware.

7 partspairs verified
MOTION CONTROL

NEMA 17 Motion / Linear Actuator Kit

A motion-control cluster around a NEMA 17 stepper, bracket, coupler, GT2 belt, pulley, bearing and driver.

5 partspairs verified
10,000+ models2D drawings
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Free
Cylindrical Quick Release Connector FQ14-7TK for Industrial Applications
INDUSTRIAL DESIGN · QUICK RELEASE CONNECTOR

Cylindrical Quick Release Connector FQ14-7TK for Industrial Applications

.STEP
Free
GORVA Mechano Classic Footswitch Industrial Component
INDUSTRIAL DESIGN · GORVA MECHANO CLASSIC

GORVA Mechano Classic Footswitch Industrial Component

.STEP
Free
Carel E2VSTAS230 Stator Coil 22 AWG Electrical Component
ELECTRICAL · CAREL E2VSTAS230

Carel E2VSTAS230 Stator Coil 22 AWG Electrical Component

.STEP
Free
1.3 Inch OLED I2C Display Module for Electronic Applications
ELECTRICAL · OLED DISPLAY

1.3 Inch OLED I2C Display Module for Electronic Applications

.STEP

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Programmable Logic Controller Industrial Automation Device
INDUSTRIAL DESIGN · PROGRAMMABLE LOGIC CONTROLLER

Programmable Logic Controller Industrial Automation Device

.STEP
Free
Brushless Motor EMax 2215 25 - High Performance Electric Motor
ROBOTICS · BRUSHLESS MOTOR

Brushless Motor EMax 2215 25 - High Performance Electric Motor

.STEP
Free
Cliff S4 CL1323A Jack Socket Industrial Connector
ELECTRICAL · CLIFF S4 CL1323A

Cliff S4 CL1323A Jack Socket Industrial Connector

.STEP
Free
MPU6050 Gyro Sensor Model for Engineering Applications
ROBOTICS · MPU6050

MPU6050 Gyro Sensor Model for Engineering Applications

.STEP
Free
Brushless DC Motor Model A2212 1000 KV for RC Applications
ROBOTICS · BRUSHLESS DC MOTOR

Brushless DC Motor Model A2212 1000 KV for RC Applications

.STEP
Free
220Vac 10A Grounded In-Box Electrical Plug
ELECTRICAL · 220VAC

220Vac 10A Grounded In-Box Electrical Plug

.STEP
Free
Bourns 5K Linear Resistor - Precision Electronic Component
ELECTRICAL · BOURNS 5K LINEAR RESISTOR

Bourns 5K Linear Resistor - Precision Electronic Component

.STEP
Free
Wurth WL-SUTW Series 365nm UV SMD LED Model
ELECTRICAL · WURTH WL-SUTW

Wurth WL-SUTW Series 365nm UV SMD LED Model

.STEP
Free
Hellermann HP-Series P-Clips for Cable Support - Full Range
ELECTRICAL · HELLERMANN HP-SERIES

Hellermann HP-Series P-Clips for Cable Support - Full Range

.STEP
Free
Transmission Tower Engineering Model
ELECTRICAL · TRANSMISSION TOWER

Transmission Tower Engineering Model

.STEP
Free
DFRobot FIT0562 LCD Backlight for Raw LCD Displays
ELECTRICAL · DFROBOT FIT0562

DFRobot FIT0562 LCD Backlight for Raw LCD Displays

.STEP
Free
Samsung Quantum Bar QB128 LED Module with LM301 Chips
ELECTRICAL · SAMSUNG QUANTUM BAR QB128

Samsung Quantum Bar QB128 LED Module with LM301 Chips

.STEP
Free
BLenahce 2.1 Audio DSP and Bluetooth Module Board CAD Model
ELECTRICAL · BLENAHCE 2.1

BLenahce 2.1 Audio DSP and Bluetooth Module Board CAD Model

.STEP
Free
Straight Synthetic M20 Connector with Strain Relief and Cable Gland
ELECTRICAL · M20 CONNECTOR

Straight Synthetic M20 Connector with Strain Relief and Cable Gland

.STEP
Free
Foldable Solar Panels for Efficient Energy Solutions
ENERGY AND POWER · FOLDABLE SOLAR PANELS

Foldable Solar Panels for Efficient Energy Solutions

.STEP
Free
Cliff S4 CL1421 Chrome Nut Industrial Component
MACHINE DESIGN · CLIFF S4 CL1421

Cliff S4 CL1421 Chrome Nut Industrial Component

.STEP
Free
CLIFF S4 Socket Collar CL1432 Industrial Component
MACHINE DESIGN · CLIFF S4 SOCKET COLLAR CL1432

CLIFF S4 Socket Collar CL1432 Industrial Component

.STEP
Free
Cliff S4 Socket Washer Industrial Component
MACHINE DESIGN · CLIFF S4

Cliff S4 Socket Washer Industrial Component

.STEP