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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The axis engineers actually search on — pick a part type to filter the catalog.

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Build kits

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

All collections
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.

9 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.

10 partspairs verified
HARDWARE

Metric Fasteners & Threaded Hardware Pack

A reusable ISO/metric fastener library cluster with screws, nuts, washers, inserts, standoffs and bolt assemblies.

6 partspairs verified
3D PRINTING

3D Printer Motion & Extruder Upgrade Kit

A 3D-printer upgrade cluster combining hotend parts, filament handling, stepper drive and motion hardware.

14 partspairs verified
ELECTRONICS PROTOTYPING

Arduino / ESP32 Prototyping Kit

A maker electronics cluster with Arduino, ESP32, breadboard, shield, servo, battery holder and enclosure.

13 partspairs verified
ROBOTICS

Robotic Arm + Gripper Kit

A robotic manipulator cluster with 6-DOF arm, gripper, wrist, servo mounts, actuator and linear guide components.

12 partspairs verified
CNC MACHINING

CNC Workholding & Tooling Kit

A CNC machining cluster covering table, clamping, vise, chuck, collet holder, spindle and ball-screw motion.

14 partspairs verified
HVAC / DUCTING

HVAC Ventilation Duct Assembly Kit

A ventilation product cluster with grille, damper, duct adapter, fan, filter, flange and duct clamp.

8 partspairs verified
FLUID POWER

Hydraulic / Pneumatic Pump & Valve Manifold Kit

A fluid-power cluster combining pump, valves, pressure gauge, manifold block, pipe and coupling parts.

16 partspairs verified
MOBILE ROBOTICS

RC / Line-Follower Robot Chassis Kit

A small mobile-robot cluster with chassis, wheels, hubs, motors, motor mounts, controller, battery holder and damper.

16 partspairs verified
WORKSPACE ACCESSORIES

Desk Cable + Phone Stand Workstation Kit

A desk-organization product cluster combining cable routing, phone holders, headphone stands and laptop/iMac stands.

8 partspairs verified
CAMERA / IMAGING RIGS

Camera Gimbal & Mount Rig Kit

A camera-rig cluster with gimbal, camera modules, tripod, tilt head, GoPro mount and camera bracket parts.

8 partspairs verified
AUTOMOTIVE & MOBILITY

1:10 RC Car Drivetrain & Suspension Kit

A 1:10 RC Car Drivetrain & Suspension Kit cluster covering related CAD components for Automotive & Mobility.

5 partspairs verified
ROBOTICS & MECHATRONICS

Arduino / ESP32 Prototyping Kit; CNC Workholding & Tooling Kit

A Arduino / ESP32 Prototyping Kit; CNC Workholding & Tooling Kit cluster covering related CAD components for Robotics & Mechatronics.

1 partpairs verified
MOTORS & POWER TRANSMISSION

Arduino / ESP32 Prototyping Kit; RC / Line-Follower Robot Chassis Kit

A Arduino / ESP32 Prototyping Kit; RC / Line-Follower Robot Chassis Kit cluster covering related CAD components for Motors & Power Transmission.

1 partpairs verified
HYDRAULICS & PNEUMATICS

Belt & Roller Conveyor Design Kit

A Belt & Roller Conveyor Design Kit cluster covering related CAD components for Hydraulics & Pneumatics.

9 partspairs verified
PUMPS & FLUID SYSTEMS

Centrifugal Pump & Motor Skid Kit

A Centrifugal Pump & Motor Skid Kit cluster covering related CAD components for Pumps & Fluid Systems.

8 partspairs verified
GENERAL ENGINEERING

Honda C-Series Engine Parts Pack

A Honda C-Series Engine Parts Pack cluster covering related CAD components for General Engineering.

4 partspairs verified
VALVES & FLOW CONTROL

Hydraulic / Pneumatic Pump & Valve Manifold Kit; Industrial Valve & Actuation Pack

A Hydraulic / Pneumatic Pump & Valve Manifold Kit; Industrial Valve & Actuation Pack cluster covering related CAD components for Valves & Flow Control.

1 partpairs verified
ENCLOSURES & PANELS

IP65/IP67 Electrical Enclosure & Control Panel Pack

A IP65/IP67 Electrical Enclosure & Control Panel Pack cluster covering related CAD components for Enclosures & Panels.

9 partspairs verified
GENERAL ENGINEERING

Industrial Gearmotor & Drive Kit

A Industrial Gearmotor & Drive Kit cluster covering related CAD components for General Engineering.

9 partspairs verified
VALVES & FLOW CONTROL

Industrial Valve & Actuation Pack

A Industrial Valve & Actuation Pack cluster covering related CAD components for Valves & Flow Control.

9 partspairs verified
PUMPS & FLUID SYSTEMS

Peristaltic / Dosing Pump Prototyping Kit

A Peristaltic / Dosing Pump Prototyping Kit cluster covering related CAD components for Pumps & Fluid Systems.

9 partspairs verified
ROBOTICS & MECHATRONICS

Raspberry Pi Case & Display Kit

A Raspberry Pi Case & Display Kit cluster covering related CAD components for Robotics & Mechatronics.

6 partspairs verified
ENGINES & POWERTRAIN

Superquadro Engine Internals Kit

A Superquadro Engine Internals Kit cluster covering related CAD components for Engines & Powertrain.

4 partspairs verified
PUMPS & FLUID SYSTEMS

Vacuum Pump System Pack

A Vacuum Pump System Pack cluster covering related CAD components for Pumps & Fluid Systems.

9 partspairs verified
10,000+ models2D drawings
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Free
Linear Actuator ITO40-900 Industrial Component
MACHINE DESIGN · ITO40-900

Linear Actuator ITO40-900 Industrial Component

.STEP
Free
Linear Actuator ITO40-1000 Industrial Component
MACHINE DESIGN · ITO40-1000

Linear Actuator ITO40-1000 Industrial Component

.STEP
Free
Linear Actuator ITO40-1100 Industrial Component
MACHINE DESIGN · ITO40-1100

Linear Actuator ITO40-1100 Industrial Component

.STEP
Free
Linear Actuator ITO40-1400 Industrial Component
MACHINE DESIGN · ITO40-1400

Linear Actuator ITO40-1400 Industrial Component

.STEP

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Linear Actuator ITO40-1500 Industrial Component
MACHINE DESIGN · ITO40-1500

Linear Actuator ITO40-1500 Industrial Component

.STEP
Free
Monitor Mount for Raspberry Pi 3, 4, and 5 Cases
INDUSTRIAL DESIGN · MONITOR MOUNT

Monitor Mount for Raspberry Pi 3, 4, and 5 Cases

.STEP
Free
RV 38.38 Vent Panel for Microclimate Control in Electrical Switchgears
ELECTRICAL · VENT PANEL

RV 38.38 Vent Panel for Microclimate Control in Electrical Switchgears

.STEP
Free
ED16-22 Electrical Circuit Siren for AC Systems
ELECTRICAL · ED16-22

ED16-22 Electrical Circuit Siren for AC Systems

.STEP
Free
USB Fan Speed Control Module with Adjustable Knob 4-12V DC
ELECTRICAL · USB FAN SPEED CONTROL MODULE

USB Fan Speed Control Module with Adjustable Knob 4-12V DC

.STEP
Free
15 Pin Right Angle SATA Connector for PCB Mounting
ELECTRICAL · 15 PIN SATA CONNECTOR

15 Pin Right Angle SATA Connector for PCB Mounting

.STEP
Free
DSCDXS Industrial Component
MACHINE DESIGN · DSCDXS

DSCDXS Industrial Component

.STEP
Free
Quartz Crystal HC-49SMD 3D Model for Electronic Applications
ELECTRICAL · QUARTZ CRYSTAL

Quartz Crystal HC-49SMD 3D Model for Electronic Applications

.STEP
Free
Positioning Spring Pin GP-2T with 5mm and 7mm Body Sizes
MACHINE DESIGN · POSITIONING SPRING PIN GP-2T

Positioning Spring Pin GP-2T with 5mm and 7mm Body Sizes

.STEP
Free
LM2596 Dual USB DC-DC Buck Converter Board
ELECTRICAL · LM2596

LM2596 Dual USB DC-DC Buck Converter Board

.STEP
Free
Infineon TO247 Package Variants 3D Models
ELECTRICAL · INFINEON

Infineon TO247 Package Variants 3D Models

.STEP
Free
Mega Sumo Competition Robot Representing Chile in International Tournament
ROBOTICS · MEGA SUMO ROBOT

Mega Sumo Competition Robot Representing Chile in International Tournament

.STEP
Free
Mounting Plate 3PS19-6 OST 107.680225.001-86 Industrial Component
MACHINE DESIGN · MOUNTING PLATE

Mounting Plate 3PS19-6 OST 107.680225.001-86 Industrial Component

.STEP
Free
PMAFIX M32x1.5 Straight Connector with Universal Safety Clip and Cable Gland
ELECTRICAL · PMAFIX M32X1.5

PMAFIX M32x1.5 Straight Connector with Universal Safety Clip and Cable Gland

.STEP
Free
WEEE Symbol for Electrical and Electronic Equipment Waste
ELECTRICAL · WEEE SYMBOL

WEEE Symbol for Electrical and Electronic Equipment Waste

.STEP
Free
Protective Cover for M30x1.5 Threaded Connectors GOST 25930-83
INDUSTRIAL DESIGN · PROTECTIVE COVER

Protective Cover for M30x1.5 Threaded Connectors GOST 25930-83

.STEP
Free
Engineering Component Progress Update
MACHINE DESIGN · ENGINEERING COMPONENT

Engineering Component Progress Update

.STEP
Free
Magnetic PCB Holder with Adjustable Spring Force for Secure Circuit Board Support
ELECTRICAL · PCB HOLDER

Magnetic PCB Holder with Adjustable Spring Force for Secure Circuit Board Support

.STEP