Unity Project

Arbor Unity XR Multiplayer Environment and Real-World Tool Simulation Library Project Goal

PTTI / All Trade Skills is seeking a Unity XR designer and developer team to create a multiplayer VR training environment and a library of 500+ realistic trade tools, machines, parts, and training objects that can be imported into an existing Unity environment.
These tools must not be simple decorative 3D models. Each tool must be designed to work like a real-world tool inside the Unity training environment.
The system must allow students to grip, move, connect, disconnect, assemble, disassemble, test, operate, and troubleshoot mechanical and electrical systems in VR.
Core Requirement: Real-World Tool Functionality
Every tool and part must be built as an interactive Unity asset that supports realistic trade training.
Tools must be able to:
Be gripped by the student in VR
Be held from different directions and angles
Be used with the left or right hand
Rotate, turn, pull, push, twist, squeeze, clamp, tighten, loosen, cut, connect, or disconnect
Snap into correct locations when assembling parts
Reject incorrect placement when used improperly
Trigger animations, sounds, tool movement, or system responses
Support real-world assembly and disassembly steps
Support mechanical and electrical training tasks
Record whether the student used the tool correctly or incorrectly
The goal is for the student to learn by doing, not by simply looking at a 3D model.
Mechanical Assembly and Disassembly Functions
The Unity tools and parts must support mechanical work such as:
Connecting parts together
Disconnecting parts
Installing and removing bolts, screws, nuts, washers, clamps, pins, brackets, and fittings
Tightening and loosening fasteners
Using torque tools correctly
Aligning parts before assembly
Removing covers, guards, panels, and access doors
Installing motors, fans, pumps, belts, gears, wheels, valves, pipe fittings, brackets, and machine components
Showing correct and incorrect assembly sequences
Allowing students to disassemble a system for troubleshooting or repair
Examples:
A wrench should turn a bolt.
Circular and Jig saws
A screwdriver should remove or install a screw.
A pipe wrench should grip and turn pipe.
A drill should align with a hole and drive a screw.
A clamp should open, close, and hold material.
A grinder should activate only when held and used correctly.
Electrical Testing and Operation Functions
Electrical tools and components must support realistic electrical training.
The system should allow students to:
Connect and disconnect wires
Strip wire
Install wire nuts, terminals, connectors, switches, outlets, breakers, fuses, relays, contactors, sensors, and control devices
Use a digital multimeter
Test voltage
Test continuity
Test resistance
Test polarity
Check open circuits
Check short circuits
Check ground faults
Test batteries, motors, sensors, switches, and circuits
Turn systems on and off
Observe correct or incorrect operation
Receive warnings for unsafe procedures
Examples:
A multimeter should allow the student to touch probes to terminals and receive a realistic reading.
A breaker should open or close a circuit.
A switch should control a light, motor, fan, or device.
A fuse should fail if the circuit is overloaded.
A wire should connect only when matched to the correct terminal or connector.
Multi-Directional Grip and Hand Interaction
Each tool should support realistic hand interaction.
The tool system must allow:
Gripping from multiple sides
Correct hand positioning
Rotation in all directions
Two-hand operation where needed
Trigger grip, pinch grip, and grab grip where appropriate
Realistic use angles
Collision with other parts
Tool alignment before activation
Snap points for correct use
Haptic feedback where possible
A student should be able to pick up a tool naturally, move it around the work area, and use it from the correct position just like in a real shop or lab.
Tool Behavior Requirements
Each tool should include:
Unity prefab
Optimized 3D model
Proper real-world scale
Correct pivot points
Grab points
Snap points
Colliders
Physics behavior
Materials and textures
Tool state logic
Sound effects
Animation where needed
Correct-use validation
Incorrect-use feedback
Reset function
Instructor override/reset option
Assembly Training System
The developer must create a reusable assembly system that allows PTTI to build many training labs.
The system should support:
Step-by-step assembly
Step-by-step disassembly
Correct order of operations
Wrong part detection
Wrong tool detection
Wrong direction detection
Missing part detection
Completed assembly confirmation
Student progress tracking
Instructor review
Reset and repeat practice
Example training labs may include:
Assemble an electrical outlet circuit
Wire a switch and light
Test a motor circuit
Replace an HVAC capacitor
Install a blower motor
Assemble a pipe fitting system
Remove and reinstall a pump
Assemble a drone motor and ESC system
Disassemble and troubleshoot a robot wheel drive
Install welding machine leads and ground clamp
Multiplayer Requirement
The environment must support multiplayer training.
The system should allow:
Instructor-led sessions
Multiple students in the same virtual lab
Shared tool use
Shared assembly tasks
Student avatars or user indicators
Synchronized object movement
Synchronized tool operation
Instructor demonstration mode
Instructor ability to pause, reset, or advance the lab
Instructor ability to observe student actions
Group training activities
Team-based assembly and troubleshooting
ArborXR Deployment Requirement
ArborXR will be used for headset management and app deployment.
The Unity developer must prepare the final VR application so it can be deployed through ArborXR to Meta Quest or other supported XR headsets.
The developer should provide:
Final Unity project files
APK build
ArborXR-ready deployment package
Version control naming
Device testing process
Update process
Documentation for future deployment
500 Tool and Object Library
The developer/designer must create more than 500 trade-related tools, parts, machines, and training objects.
These may include tools and parts for:
Welding
Electrical
HVAC
Plumbing
Pipefitting
Carpentry
Masonry
Automotive
Drone repair
Robotics
Advanced manufacturing
Safety training

Each asset must be interactive, importable, reusable, and capable of being used in future Unity training environments.
Deliverables

The developer must deliver:
Multiplayer Unity XR training environment
500+ functional trade tools and objects
Real-world gripping and interaction system
Mechanical assembly and disassembly system
Electrical testing and circuit operation system
Tool connect/disconnect system
Snap-point and validation system
Instructor control system
Student progress tracking system
Unity prefab library
Source Unity project files
APK build ready for ArborXR
Documentation and training guide
Asset inventory spreadsheet
Testing report
Acceptance Criteria
The project will be accepted only when:
Tools work like real-world tools, not static models
Students can grip tools from multiple directions
Tools can connect and disconnect parts
Mechanical parts can be assembled and disassembled
Electrical parts can be wired, tested, and operated
Multimeter and electrical testing functions work realistically
Correct and incorrect tool use can be detected
Instructor can control and reset training activities
Multiple users can work in the same environment
All 500+ tools can be imported into existing Unity environments
Final build can be deployed through ArborXR
PTTI receives all source files and documentation

Seeking a Unity XR training system where tools, parts, machines, and electrical components behave like real-world trade equipment. Students must be able to hand tools to each other, assemble, disassemble, connect, disconnect, test, operate, troubleshoot, and repair systems using realistic hand interaction in VR.


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