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
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Linear Rail MGN9 Hiwin 320mm Length
MACHINE DESIGN · LINEAR RAIL

Linear Rail MGN9 Hiwin 320mm Length

.STEP
Free
MGN9-H Linear Guide Block for MGN9 Rail
MACHINE DESIGN · MGN9-H

MGN9-H Linear Guide Block for MGN9 Rail

.STEP

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Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Brushless Motor CAD Model for Robotics Applications
ROBOTICS · BRUSHLESS MOTOR

Brushless Motor CAD Model for Robotics Applications

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
OSOYOO 5-Channel Infrared Tracker Sensor Model
ROBOTICS · INFRARED TRACKER SENSOR

OSOYOO 5-Channel Infrared Tracker Sensor Model

.STEP
Free
ITR9909 Infrared Reflective Sensor Model for Optical Applications
ELECTRICAL · ITR9909

ITR9909 Infrared Reflective Sensor Model for Optical Applications

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Bourns 3590S-291-103L 10K Ohm 2W Wirewound Linear Potentiometer
ELECTRICAL · BOURNS 3590S-291-103L

Bourns 3590S-291-103L 10K Ohm 2W Wirewound Linear Potentiometer

.STEP
Free
Precision Mechanical Component CAD Model
MACHINE DESIGN · PRECISION COMPONENT

Precision Mechanical Component CAD Model

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Three Position Large Slide Switch and Two Position Mini Slide Switch
ELECTRICAL · SLIDE SWITCH

Three Position Large Slide Switch and Two Position Mini Slide Switch

.STEP
Free
64V Lithium Phosphate Battery with Compact Dimensions 290x235x160 mm
ENERGY AND POWER · 64V LITHIUM PHOSPHATE BATTERY

64V Lithium Phosphate Battery with Compact Dimensions 290x235x160 mm

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · PRECISION COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Industrial Mechanical Component CAD Model
MACHINE DESIGN · MECHANICAL COMPONENT

Industrial Mechanical Component CAD Model

.STEP
Free
Precision Mechanical Component for Industrial Applications
MACHINE DESIGN · MECHANICAL COMPONENT

Precision Mechanical Component for Industrial Applications

.STEP
Free
Wireless Radio Controller for Mechanical Walker
ROBOTICS · WIRELESS RADIO CONTROLLER

Wireless Radio Controller for Mechanical Walker

.STEP
Free
Zinc-Plated Steel Press-Fit Nut with 1/4-20 Threads for Sheet Metal
MACHINE DESIGN · ZINC-PLATED STEEL

Zinc-Plated Steel Press-Fit Nut with 1/4-20 Threads for Sheet Metal

.STEP
Free
Turnigy Aerodrive 1050kv Brushless Outrunner Motor CAD Model
ROBOTICS · TURNIGY AERODRIVE 1050KV

Turnigy Aerodrive 1050kv Brushless Outrunner Motor CAD Model

.STEP