structural design CAD Models

Browse structural design CAD models used in real projects. Preview online and download STEP/STP, IGES, STL and more. Filter by category, file type, price and popularity.

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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.

7 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.

5 partspairs verified
HARDWARE

Metric Fasteners & Threaded Hardware Pack

A reusable ISO/metric fastener library cluster with screws, nuts, washers, inserts, standoffs and bolt assemblies.

2 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.

7 partspairs verified
ELECTRONICS PROTOTYPING

Arduino / ESP32 Prototyping Kit

A maker electronics cluster with Arduino, ESP32, breadboard, shield, servo, battery holder and enclosure.

7 partspairs verified
ROBOTICS

Robotic Arm + Gripper Kit

A robotic manipulator cluster with 6-DOF arm, gripper, wrist, servo mounts, actuator and linear guide components.

7 partspairs verified
CNC MACHINING

CNC Workholding & Tooling Kit

A CNC machining cluster covering table, clamping, vise, chuck, collet holder, spindle and ball-screw motion.

6 partspairs verified
HVAC / DUCTING

HVAC Ventilation Duct Assembly Kit

A ventilation product cluster with grille, damper, duct adapter, fan, filter, flange and duct clamp.

6 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.

8 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.

9 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.

7 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.

5 partspairs verified
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Free
Suspension System CAD Design for Engineering Applications
AUTOMOTIVE · SUSPENSION SYSTEM

Suspension System CAD Design for Engineering Applications

.STEP
Free
Industrial Booth Design CAD Model
ARCHITECTURE · INDUSTRIAL BOOTH

Industrial Booth Design CAD Model

.STEP
Free
Interlacing Pattern Design for Engineering Applications
INDUSTRIAL DESIGN · INTERLACING PATTERN

Interlacing Pattern Design for Engineering Applications

.STEP
Free
24 Cubic Meter Water Tank Base Supported by Building Pillars
ARCHITECTURE · WATER TANK BASE

24 Cubic Meter Water Tank Base Supported by Building Pillars

.STEP

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Wooden Structural Framework for Engineering Applications
ARCHITECTURE · WOODEN FRAMEWORK

Wooden Structural Framework for Engineering Applications

.STEP
Free
Tangent Circle Structural Design for Engineering Applications
ARCHITECTURE · TANGENT CIRCLE

Tangent Circle Structural Design for Engineering Applications

.STEP
Free
Residential House Architectural Model
ARCHITECTURE · RESIDENTIAL HOUSE

Residential House Architectural Model

.STEP
Free
Wooden Attic Ladder Design for Country House
ARCHITECTURE · WOODEN ATTIC LADDER

Wooden Attic Ladder Design for Country House

.STEP
Free
Metal Framed Gate CAD Model for Engineering Applications
MACHINE DESIGN · METAL FRAMED GATE

Metal Framed Gate CAD Model for Engineering Applications

.STEP
Free
Professional Automotive Interior and Exterior Structural Design Services
AUTOMOTIVE · AUTOMOTIVE INTERIOR DESIGN

Professional Automotive Interior and Exterior Structural Design Services

.STEP
Free
Ultralight Starshade Structural Design Concept for Aerospace Applications
AEROSPACE · ULTRALIGHT STARSHADE

Ultralight Starshade Structural Design Concept for Aerospace Applications

.STEP
Free
Pontoon House Structural Design
ARCHITECTURE · PONTOON HOUSE

Pontoon House Structural Design

.STEP
Free
Composite T-Beam Structural Design Models
CONSTRUCTION · COMPOSITE T-BEAM

Composite T-Beam Structural Design Models

.STEP
Free
SolidWorks Designed Anchor Model for Engineering Applications
MARINE · ANCHOR

SolidWorks Designed Anchor Model for Engineering Applications

.STEP
Free
Yacht Class T 800 Design Overview
MARINE · YACHT CLASS T 800

Yacht Class T 800 Design Overview

.STEP
Free
WDM-3D ALCO Locomotive CAD Model
AUTOMOTIVE · WDM-3D ALCO

WDM-3D ALCO Locomotive CAD Model

.STEP
Free
Detailed 3D Model of Boeing 787 Aircraft
AVIATION · BOEING 787

Detailed 3D Model of Boeing 787 Aircraft

.STEP
Free
Discovery Space Shuttle 3D CAD Model
AEROSPACE · DISCOVERY SPACE SHUTTLE

Discovery Space Shuttle 3D CAD Model

.STEP
Free
Detailed Model of a Military Industry Hub
INDUSTRIAL DESIGN · MILITARY INDUSTRY HUB

Detailed Model of a Military Industry Hub

.STEP
Free
Aluminium 5G Frame Design
INDUSTRIAL DESIGN · KHUNG NHOM 1

Aluminium 5G Frame Design

.STEP
Free
Escalera De Acceso 3 | 3D CAD Engineering Model
CONSTRUCTION · ESCALERA DE ACCESO 3

Escalera De Acceso 3 | 3D CAD Engineering Model

.STEP
Free
Burj Khalifa Dubai United Arab Emirates 1 | Professional CAD Design
ARCHITECTURE · BURJ KHALIFA

Burj Khalifa Dubai United Arab Emirates 1 | Professional CAD Design

.STEP