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
Hypochlorite Generator ID700 Industrial Equipment
INDUSTRIAL DESIGN · HYPOCHLORITE GENERATOR ID700

Hypochlorite Generator ID700 Industrial Equipment

.STEP
Free
Low-Pass Voltage Regulator with 3-Digit 7-Segment Display
ELECTRICAL · LOW-PASS VOLTAGE REGULATOR

Low-Pass Voltage Regulator with 3-Digit 7-Segment Display

.STEP
Free
Industrial Air Purification Unit with Mechanical Fan
INDUSTRIAL DESIGN · AIR PURIFICATION UNIT

Industrial Air Purification Unit with Mechanical Fan

.STEP
Free
Textile Yarn Harvesting Process for Enhanced Durability and Performance
INDUSTRIAL DESIGN · YARN HARVESTING

Textile Yarn Harvesting Process for Enhanced Durability and Performance

.STEP

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Wind Turbine Simulation Analysis for Air Speed, Torque, and Power
ENERGY AND POWER · WIND TURBINE

Wind Turbine Simulation Analysis for Air Speed, Torque, and Power

.STEP
Free
Outer Body of Engine Oil Pump - Industrial Component
MACHINE DESIGN · ENGINE OIL PUMP

Outer Body of Engine Oil Pump - Industrial Component

.STEP
Free
16 sqmm Cable Lug with Dual Slotted Flange Holes
ELECTRICAL · 16 SQMM CABLE LUG

16 sqmm Cable Lug with Dual Slotted Flange Holes

.STEP
Free
35mm² Cable Lug with Dual Slotted Flange Holes
ELECTRICAL · 35MM² CABLE LUG

35mm² Cable Lug with Dual Slotted Flange Holes

.STEP
Free
50 sqmm Cable Lug with Dual Slotted Flange Holes
ELECTRICAL · 50 SQMM CABLE LUG

50 sqmm Cable Lug with Dual Slotted Flange Holes

.STEP
Free
70 sqmm Cable Lug with Dual Slotted Holes
ELECTRICAL · 70 SQMM CABLE LUG

70 sqmm Cable Lug with Dual Slotted Holes

.STEP
Free
95 sqmm Cable Lug with Two Slotted Holes
ELECTRICAL · 95 SQMM CABLE LUG

95 sqmm Cable Lug with Two Slotted Holes

.STEP
Free
600x800 Industrial Component
INDUSTRIAL DESIGN · 600X800

600x800 Industrial Component

.STEP
Free
Rubber Grommet Gasket for Wire Protection in Sheet Metal
INDUSTRIAL DESIGN · RUBBER GROMMET

Rubber Grommet Gasket for Wire Protection in Sheet Metal

.STEP
Free
GM DPB-7.5kW Motor Reducer with Brake by Mitsubishi Electric
MACHINE DESIGN · GM DPB-7.5KW

GM DPB-7.5kW Motor Reducer with Brake by Mitsubishi Electric

.STEP
Free
Three-Pole Circuit Breaker BH-D Series by Mitsubishi Electric
ELECTRICAL · THREE-POLE CIRCUIT BREAKER

Three-Pole Circuit Breaker BH-D Series by Mitsubishi Electric

.STEP
Free
Overload Clutch for Double Row Drive Chain - Industrial Component
MACHINE DESIGN · OVERLOAD CLUTCH

Overload Clutch for Double Row Drive Chain - Industrial Component

.STEP
Free
0.1 kW Worm Gear Motor GM SHYFRH Series by Mitsubishi Electric
MACHINE DESIGN · WORM GEAR MOTOR

0.1 kW Worm Gear Motor GM SHYFRH Series by Mitsubishi Electric

.STEP
Free
Automatic Four-Pole Circuit Breaker NF1000-SEW 4P by Mitsubishi Electric
ELECTRICAL · AUTOMATIC CIRCUIT BREAKER

Automatic Four-Pole Circuit Breaker NF1000-SEW 4P by Mitsubishi Electric

.STEP
Free
Exercise Equipment Model 13 for Engineering Design
INDUSTRIAL DESIGN · EXERCISE EQUIPMENT

Exercise Equipment Model 13 for Engineering Design

.STEP
Free
TO-247 Package with Four Bent Pins - Professional CAD Model
ELECTRICAL · TO-247

TO-247 Package with Four Bent Pins - Professional CAD Model

.STEP
Free
12V Power Outlet Receptacle for Vehicles and Marine Applications
AUTOMOTIVE · 12V POWER OUTLET

12V Power Outlet Receptacle for Vehicles and Marine Applications

.STEP
Free
AC Dimmer Controller Module for Power Regulation
ELECTRICAL · AC DIMMER CONTROLLER

AC Dimmer Controller Module for Power Regulation

.STEP