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
Heavy-Duty CNC Milling Machine with HGR15 Rails and 2.2kW Spindle
MACHINE DESIGN · CNC MILLING MACHINE

Heavy-Duty CNC Milling Machine with HGR15 Rails and 2.2kW Spindle

.STEP
Free
Configurable Ballscrew and Nut Sizes SFU1204 to SFU2010
MACHINE DESIGN · BALLSCREW

Configurable Ballscrew and Nut Sizes SFU1204 to SFU2010

.STEP
Free
Flange Nut SFU1605 - Precision Mechanical Component
MACHINE DESIGN · FLANGE NUT

Flange Nut SFU1605 - Precision Mechanical Component

.STEP
Free
SFU1605 Ballscrew Assembly with Nut and Flexible Coupling
MACHINE DESIGN · BALLSCREW ASSEMBLY

SFU1605 Ballscrew Assembly with Nut and Flexible Coupling

.STEP

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Z-Axis Assembly for Mini CNC Router with SFU1605 Lead Screw
MACHINE DESIGN · Z-AXIS ASSEMBLY

Z-Axis Assembly for Mini CNC Router with SFU1605 Lead Screw

.STEP
Free
Robust DIY Lathe Design with Wide Bed and Adjustable Spindle Box
MACHINE DESIGN · DIY LATHE

Robust DIY Lathe Design with Wide Bed and Adjustable Spindle Box

.STEP
Free
CNC Router with 330x455x100mm Travel and Water Cooled Spindle
MACHINE DESIGN · CNC ROUTER

CNC Router with 330x455x100mm Travel and Water Cooled Spindle

.STEP
Free
DIY Milling Machine with 226x150x620mm Machinable Area and 1500W Spindle
MACHINE DESIGN · DIY MILLING MACHINE

DIY Milling Machine with 226x150x620mm Machinable Area and 1500W Spindle

.STEP
Free
XKB Connectivity DM1-16UP-1 Microswitch SPDT Vertical Model
ELECTRICAL · XKB CONNECTIVITY DM1-16UP-1

XKB Connectivity DM1-16UP-1 Microswitch SPDT Vertical Model

.STEP
Free
DM1-16UD-1-XKB-1A 30V SPDT Micro Switch - High Durability Limit Switch
ELECTRICAL · DM1-16UD-1-XKB-1A

DM1-16UD-1-XKB-1A 30V SPDT Micro Switch - High Durability Limit Switch

.STEP
Free
Waterproof Brushless RC Motor F2838-350KV for Model Vehicles
AUTOMOTIVE · F2838-350KV

Waterproof Brushless RC Motor F2838-350KV for Model Vehicles

.STEP
Free
Ball Plunger Positioning Screw Fixing Nut - Stainless Steel Precision Component
MACHINE DESIGN · BALL PLUNGER

Ball Plunger Positioning Screw Fixing Nut - Stainless Steel Precision Component

.STEP
Free
5 Degrees of Freedom Robotic Gripper for Advanced Automation
ROBOTICS · 5 DEGREES OF FREEDOM

5 Degrees of Freedom Robotic Gripper for Advanced Automation

.STEP
Free
High Precision Single-Axis Robot with Ball Screw and Slide
ROBOTICS · SINGLE AXIS ROBOT

High Precision Single-Axis Robot with Ball Screw and Slide

.STEP
Free
High Precision Single-Axis Robot with Ball Screw and Slide Mechanism
ROBOTICS · SINGLE AXIS ROBOT

High Precision Single-Axis Robot with Ball Screw and Slide Mechanism

.STEP
Free
Custom Straight Line Engine for Guilloche Pattern Creation
MACHINE DESIGN · STRAIGHT LINE ENGINE

Custom Straight Line Engine for Guilloche Pattern Creation

.STEP
Free
Functional 1:15 Scale Pallet Jack Model for 3D Printing
INDUSTRIAL DESIGN · PALLET JACK

Functional 1:15 Scale Pallet Jack Model for 3D Printing

.STEP
Free
Screw Ball Mechanism with Ø28 and 10 mm Pitch
MACHINE DESIGN · SCREW BALL MECHANISM

Screw Ball Mechanism with Ø28 and 10 mm Pitch

.STEP
Free
Sequential Gear Shifter Assembly with Aluminum Profiles and Prismatic Bearings
MACHINE DESIGN · SEQUENTIAL GEAR SHIFTER

Sequential Gear Shifter Assembly with Aluminum Profiles and Prismatic Bearings

.STEP
Free
Ball Screw Support Units Fixed Side Square Type BK Series
MACHINE DESIGN · BALL SCREW SUPPORT UNIT

Ball Screw Support Units Fixed Side Square Type BK Series

.STEP
Free
Ball Screw Support Units - Support Side Square Type BF Series
MACHINE DESIGN · BALL SCREW SUPPORT UNIT

Ball Screw Support Units - Support Side Square Type BF Series

.STEP
Free
Ball Screw Support Units Fixed Side Round Type FK Series with C5 Grade Accuracy
MACHINE DESIGN · BALL SCREW SUPPORT UNIT

Ball Screw Support Units Fixed Side Round Type FK Series with C5 Grade Accuracy

.STEP