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
IDEC 22mm Switches and Pilot Lights - Emergency Stop and Alternate Type Button
ELECTRICAL · IDEC 22MM

IDEC 22mm Switches and Pilot Lights - Emergency Stop and Alternate Type Button

.STEP
Free
Spotpear Audio Module B CAD Model for Enclosure Design
ELECTRICAL · SPOTPEAR AUDIO MODULE B

Spotpear Audio Module B CAD Model for Enclosure Design

.STEP
Free
Low Voltage Epoxy Cast Current Transformer for AC Current Measurement
ELECTRICAL · CURRENT TRANSFORMER

Low Voltage Epoxy Cast Current Transformer for AC Current Measurement

.STEP
Free
Miniature Double-Break Microswitch with Plain Plunger by Saia-Burgess
ELECTRICAL · MICROSWITCH

Miniature Double-Break Microswitch with Plain Plunger by Saia-Burgess

.STEP

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Contactor with Overload Relay Assembly
ELECTRICAL · CONTACTOR

Contactor with Overload Relay Assembly

.STEP
Free
Amphenol 16-25mm2 SURLOK 90 Degree Connector 5.7mm Black
ELECTRICAL · AMPHENOL SURLOK

Amphenol 16-25mm2 SURLOK 90 Degree Connector 5.7mm Black

.STEP
Free
Amphenol SURLOK Busbar 5.7mm Black - Electrical Connector Component
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK Busbar 5.7mm Black - Electrical Connector Component

.STEP
Free
Amphenol SURLOK 5.7mm Red Busbar Connector
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 5.7mm Red Busbar Connector

.STEP
Free
Simulated Racing Car Dashboard Display with LED Indicators
AUTOMOTIVE · RACING CAR DASHBOARD

Simulated Racing Car Dashboard Display with LED Indicators

.STEP
Free
90 Degree Sorting Conveyor with Rollers and Dual Motors
INDUSTRIAL DESIGN · 90 DEGREE SORTING CONVEYOR

90 Degree Sorting Conveyor with Rollers and Dual Motors

.STEP
Free
Amphenol SURLOK 5.7mm 120A Straight Connector for 16mm² Cable
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 5.7mm 120A Straight Connector for 16mm² Cable

.STEP
Free
Electronic Component Model from Digikey
ELECTRICAL · ELECTRONIC COMPONENT

Electronic Component Model from Digikey

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

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

.STEP
Free
Mounting Plate 3PS19-10 OST 107.680225.001-86 Industrial Component
MACHINE DESIGN · MOUNTING PLATE

Mounting Plate 3PS19-10 OST 107.680225.001-86 Industrial Component

.STEP
Free
Custom Surface Type Disbo Panel for Production
INDUSTRIAL DESIGN · DISBO PANEL

Custom Surface Type Disbo Panel for Production

.STEP
Free
Starlink SPX Plug for Gen 2 Dishy Antenna with Wall Opening Specifications
ELECTRICAL · STARLINK SPX PLUG

Starlink SPX Plug for Gen 2 Dishy Antenna with Wall Opening Specifications

.STEP
Free
Full Face Mask with Integrated Thermal Camera and OLED Display for Search and Rescue
MEDICAL · FULL FACE MASK

Full Face Mask with Integrated Thermal Camera and OLED Display for Search and Rescue

.STEP
Free
TIANKONGRC TD-8135MG 35 kg-cm Servo Motor CAD Model
ROBOTICS · TIANKONGRC TD-8135MG

TIANKONGRC TD-8135MG 35 kg-cm Servo Motor CAD Model

.STEP
Free
Amphenol SURLOK 8mm High Current Electrical Connector Red
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 8mm High Current Electrical Connector Red

.STEP
Free
Amphenol SURLOK 8mm 200A 50mm² 1500V Black Electrical Connector
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 8mm 200A 50mm² 1500V Black Electrical Connector

.STEP
Free
Amphenol SURLOK 8mm 200A Thread Post Receptacle IP67 Red 1500V
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 8mm 200A Thread Post Receptacle IP67 Red 1500V

.STEP
Free
Amphenol SURLOK 8mm Threaded Post Receptacle 200A IP67 Red
ELECTRICAL · AMPHENOL SURLOK

Amphenol SURLOK 8mm Threaded Post Receptacle 200A IP67 Red

.STEP