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
5 Liter Edible Oil Canister CAD Model for Culinary Use
INDUSTRIAL DESIGN · 5 LITER CANISTER

5 Liter Edible Oil Canister CAD Model for Culinary Use

.STEP
Free
CHT1230 5mW Red Laser Module for Precision Applications
INDUSTRIAL DESIGN · CHT1230

CHT1230 5mW Red Laser Module for Precision Applications

.STEP
Free
Metric Unit Precision Vise CAD Model
MACHINE DESIGN · PRECISION VISE

Metric Unit Precision Vise CAD Model

.STEP
Free
Folding Staircase Design for Space-Saving Access
ARCHITECTURE · FOLDING STAIRCASE

Folding Staircase Design for Space-Saving Access

.STEP

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Free
Bicycle Parking Bench CAD Model for Urban Design
ARCHITECTURE · BICYCLE PARKING BENCH

Bicycle Parking Bench CAD Model for Urban Design

.STEP
Free
Carriage Bolt CAD Model for Industrial Applications
MACHINE DESIGN · CARRIAGE BOLT

Carriage Bolt CAD Model for Industrial Applications

.STEP
Free
Outdoor Cat Shelter Made of Wood, Styrofoam, and Plastic
OUTDOOR CAT SHELTER

Outdoor Cat Shelter Made of Wood, Styrofoam, and Plastic

.STEP
Free
Storage Container for 75 CTBs with Wall-Mountable Shelving Design
INDUSTRIAL DESIGN · STORAGE CONTAINER

Storage Container for 75 CTBs with Wall-Mountable Shelving Design

.STEP
Free
Industrial Pulley Assembly with Bearing Housing and Locking Device
MACHINE DESIGN · INDUSTRIAL PULLEY ASSEMBLY

Industrial Pulley Assembly with Bearing Housing and Locking Device

.STEP
Free
Industrial Conveyor Roller with 1200mm Belt Width and 133mm Diameter
INDUSTRIAL DESIGN · CONVEYOR ROLLER

Industrial Conveyor Roller with 1200mm Belt Width and 133mm Diameter

.STEP
Free
Industrial Conveyor Roller with 1200mm Belt Width and 30 Degree Angle
INDUSTRIAL DESIGN · INDUSTRIAL CONVEYOR ROLLER

Industrial Conveyor Roller with 1200mm Belt Width and 30 Degree Angle

.STEP
Free
Aluminium Welded Container with Hexagonal Outer Body for Space Applications
AEROSPACE · ALUMINIUM WELDED CONTAINER

Aluminium Welded Container with Hexagonal Outer Body for Space Applications

.STEP
Free
Removable Protective Cover for Sauna Stove
INDUSTRIAL DESIGN · REMOVABLE PROTECTIVE COVER

Removable Protective Cover for Sauna Stove

.STEP
Free
Custom Engineering Device Model for Project Use
MACHINE DESIGN · CUSTOM ENGINEERING DEVICE

Custom Engineering Device Model for Project Use

.STEP
Free
3.5mm Dust Plug for Electronic Devices
ELECTRICAL · 3.5MM DUST PLUG

3.5mm Dust Plug for Electronic Devices

.STEP
Free
Valve Design Prototype
INDUSTRIAL DESIGN · FLUID CONTROL

Valve Design Prototype

.STEP
Free
Sample Workbench CAD Model
INDUSTRIAL DESIGN · WORKBENCH

Sample Workbench CAD Model

.STEP
Free
Industrial Storage Ladder Design
INDUSTRIAL DESIGN · INDUSTRIAL LADDER

Industrial Storage Ladder Design

.STEP
Free
Portable Car Canopy with Extended Height for Workshop Use
AUTOMOTIVE · PORTABLE CANOPY

Portable Car Canopy with Extended Height for Workshop Use

.STEP
Free
Mechanical Tightening Straight Fitting for PEX-AL-PEX Pipes 16x2mm
INDUSTRIAL DESIGN · MECHANICAL TIGHTENING FITTING

Mechanical Tightening Straight Fitting for PEX-AL-PEX Pipes 16x2mm

.STEP
Free
Mechanical Tightening Straight Fitting for PEX-AL-PEX Pipes 16x2mm
CONSTRUCTION · MECHANICAL TIGHTENING FITTING

Mechanical Tightening Straight Fitting for PEX-AL-PEX Pipes 16x2mm

.STEP
Free
Industrial Design Table Model for Engineering Applications
INDUSTRIAL DESIGN · INDUSTRIAL DESIGN TABLE

Industrial Design Table Model for Engineering Applications

.STEP