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.

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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.

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
Submersible Solar Water Pump Model with 10m Max Head and 120L/min Capacity
ENERGY AND POWER · SUBMERSIBLEPUMP

Submersible Solar Water Pump Model with 10m Max Head and 120L/min Capacity

.STEP
Free
Generic Submersible BLDC Water Pump 12V/24V CAD Model
INDUSTRIAL DESIGN · BLDC MOTOR

Generic Submersible BLDC Water Pump 12V/24V CAD Model

.STEP
Free
Submersible Sludge Pump with Float Switch
INDUSTRIAL DESIGN · SUBMERSIBLE SLUDGE PUMP

Submersible Sludge Pump with Float Switch

.STEP
Free
Wilo Submersible Pump Emu KM 1302 - 5 160-2 Model
INDUSTRIAL DESIGN · WILO EMU KM 1302

Wilo Submersible Pump Emu KM 1302 - 5 160-2 Model

.STEP

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Submersible Water Pump for Efficient Water Management
INDUSTRIAL DESIGN · SUBMERSIBLE WATER PUMP

Submersible Water Pump for Efficient Water Management

.STEP
Free
1-Inch Pitless Adapter for 5-8 Inch Well Casing - Merrill MBNL50 Style
CONSTRUCTION · PITLESS ADAPTER

1-Inch Pitless Adapter for 5-8 Inch Well Casing - Merrill MBNL50 Style

.STEP
Free
High Power 3-Phase Electric Motor CAD Model with 50mm Shaft Diameter
MACHINE DESIGN · 50MM SHAFT DIAMETER

High Power 3-Phase Electric Motor CAD Model with 50mm Shaft Diameter

.STEP
Free
Three-Phase Electric Motor for CNC Machines
MACHINE DESIGN · THREE-PHASE ELECTRIC MOTOR

Three-Phase Electric Motor for CNC Machines

.STEP
Free
Explosion Proof SPST Three Phase Starter Switch - 30 Amp Copper-Free Aluminum
ELECTRICAL · EXPLOSION PROOF

Explosion Proof SPST Three Phase Starter Switch - 30 Amp Copper-Free Aluminum

.STEP
Free
3-Phase Electric Motor 1.5kW for Industrial Applications
MACHINE DESIGN · 1.5KW

3-Phase Electric Motor 1.5kW for Industrial Applications

.STEP
Free
3 Phase Electric Motor Start and Stop Magnetic Contactor
ELECTRICAL · 3-PHASE MOTOR

3 Phase Electric Motor Start and Stop Magnetic Contactor

.STEP
Free
Renault Twizy Electric Motor 3-Phase Asynchronous Model
AUTOMOTIVE · RENAULT TWIZY

Renault Twizy Electric Motor 3-Phase Asynchronous Model

.STEP
Free
330 kW Hydraulic Power Pack Design with Advanced Filtration and Cooling Systems
ENERGY AND POWER · HYDRAULIC POWER PACK

330 kW Hydraulic Power Pack Design with Advanced Filtration and Cooling Systems

.STEP
Free
Explosion Proof Exhaust Fan 6860 CFM 1HP 230-480V AC Three Phase Roof Mounted
INDUSTRIAL DESIGN · EXPLOSION PROOF

Explosion Proof Exhaust Fan 6860 CFM 1HP 230-480V AC Three Phase Roof Mounted

.STEP
Free
30A Explosion Proof Fused Disconnect with Time Delay Fuse and Dual Cast Hubs
ELECTRICAL · EXPLOSION PROOF

30A Explosion Proof Fused Disconnect with Time Delay Fuse and Dual Cast Hubs

.STEP
Free
Explosion Proof Exhaust Fan 36" Diameter 18,500 CFM 3HP 230-460V AC Three-Phase
ENERGY AND POWER · EXPLOSION PROOF

Explosion Proof Exhaust Fan 36" Diameter 18,500 CFM 3HP 230-460V AC Three-Phase

.STEP
Free
Phase Control Relay CKF-318-1 for Three-Phase Motor Protection
ELECTRICAL · PHASE CONTROL RELAY

Phase Control Relay CKF-318-1 for Three-Phase Motor Protection

.STEP
Free
Hydraulic Oil Station with Gear Pump and Reservoir
MACHINE DESIGN · HYDRAULIC OIL STATION

Hydraulic Oil Station with Gear Pump and Reservoir

.STEP
Free
Aeromax 3-Phase Electric Motor AE 71M1-2
MACHINE DESIGN · AEROMAX AE 71M1-2

Aeromax 3-Phase Electric Motor AE 71M1-2

.STEP
Free
Homemade Belt Grinder 3D Model with Metal Plasma Cut Parts
MACHINE DESIGN · BELT GRINDER

Homemade Belt Grinder 3D Model with Metal Plasma Cut Parts

.STEP
Free
350V AC Electric Motor with Water-Cooled Control Unit and Inverter
MACHINE DESIGN · 350V AC ELECTRIC MOTOR

350V AC Electric Motor with Water-Cooled Control Unit and Inverter

.STEP
Free
Sleek Protective Case Compatible with iPhone 13 and iPhone 14
INDUSTRIAL DESIGN · PROTECTIVE CASE

Sleek Protective Case Compatible with iPhone 13 and iPhone 14

.STEP