TeamSketch

Real-time collaborative CAD for student group projects.

Score: 7.7/10IndiaHard BuildReady to Spawn
Brand Colors

The Opportunity

Problem

Students in manufacturing courses struggle to find affordable, user-friendly CAD software for product design that avoids steep learning curves and high costs.

Solution

TeamSketch enables multiple students to co-edit 2D CAD designs live, with chat and version history tailored for manufacturing coursework. Browser-only, it eliminates file-sharing hassles and version conflicts. Low-cost tiers make team use affordable without enterprise tools.

Target Audience

Students enrolled in manufacturing or engineering courses needing CAD for product design coursework

Differentiator

Live multiplayer editing with manufacturing-specific cursors and conflict resolution.

Brand Voice

professional

Features

Live Canvas

must-have25h

Real-time multi-user 2D editing.

Invite/Share

must-have10h

Room links for teams.

Basic Tools

must-have15h

Shapes, lines, dimensions.

Chat Panel

must-have8h

In-app team chat.

Version History

must-have12h

Revert snapshots.

Presence Cursors

must-have10h

See teammates' edits live.

Lock Elements

nice-to-have8h

Prevent overwrites.

Export Queue

nice-to-have7h

Team-approved exports.

Integrations

nice-to-have10h

Slack notifications.

Total Build Time: 105 hours

Database Schema

users

ColumnTypeNullable
iduuidNo
emailtextNo
nametextNo
created_attimestampNo

rooms

ColumnTypeNullable
idtextNo
nametextNo
creator_iduuidNo
canvas_statejsonbNo
created_attimestampNo

Relationships:

  • creator_id references users(id)

snapshots

ColumnTypeNullable
iduuidNo
room_idtextNo
statejsonbNo
created_attimestampNo

Relationships:

  • room_id references rooms(id)

API Endpoints

POST
/api/rooms

Create collab room

🔒 Auth Required
GET
/api/rooms/:id

Join/load room state

🔒 Auth Required
PUT
/api/rooms/:id/state

Broadcast state updates

🔒 Auth Required
POST
/api/snapshots/:roomId

Save snapshot

🔒 Auth Required

Tech Stack

Frontend
Next.js 14 + Liveblocks + Fabric.js + Tailwind
Backend
Next.js API routes
Database
Supabase Postgres
Auth
Supabase Auth
Payments
Stripe
Hosting
Vercel
Additional Tools
Liveblocks (collab)Resend

Build Timeline

Week 1: Auth + Rooms

20h
  • User/rooms DB
  • Basic join

Week 2: Live collab core

30h
  • Liveblocks integration
  • State sync

Week 3: Canvas + Chat

25h
  • Editor tools
  • Chat

Week 4: Snapshots + Export

20h
  • History
  • Exports

Week 5: Paywall + Polish

15h
  • Pricing
  • UI fixes

Week 6: Testing

10h
  • Multi-user tests
  • Launch

Week 7: Nice-to-haves

10h
  • Locks
  • Notifications
Total Timeline: 7 weeks • 160 hours

Pricing Tiers

Free

$0/mo

No history

  • 3 rooms
  • 2 users/room

Pro

$20/mo
  • Unlimited rooms
  • 5 users
  • Snapshots

Class

$99/mo

Per class

  • Pro + Unlimited users
  • Admin controls

Revenue Projections

MonthUsersConversionMRRARR
Month 12502%$100$1,200
Month 62,0005%$2,000$24,000

Unit Economics

$12
CAC
$360
LTV
6%
Churn
88%
Margin
LTV:CAC Ratio: 30.0xExcellent!

Landing Page Copy

CAD That Works Together

Real-time collab for student manufacturing teams.

Feature Highlights

Live cursors
Built-in chat
Version snapshots
Group exports

Social Proof (Placeholders)

"'Group projects fixed!' – Team of 4, Mech Eng"
"'Better than emailing files.' – Mia, Student"

First Three Customers

Target group project seasons by posting in university subreddits like r/EngineeringStudents. Offer free Class tier to 3 professors for pilot classes. Use Twitter polls on #StudentEng for feedback loops.

Launch Channels

Product Huntr/EngineeringStudentsHacker NewsTwitter #EdTech

SEO Keywords

collaborative CAD studentsonline group CAD manufacturingreal-time CAD for engineering teamsfree collab 2D CAD coursework

Competitive Analysis

Free public
Strength

Enterprise collab

Weakness

Complex for students

Our Advantage

Student-simple multiplayer

Figma (for design)

figma.com
Free
Strength

Collab

Weakness

No CAD precision

Our Advantage

CAD-specific tools

🏰 Moat Strategy

Network effects from class-wide adoption and shared room data.

⏰ Why Now?

Hybrid group projects boom with more online collaboration in STEM education.

Risks & Mitigation

technicalhigh severity

Realtime sync lag

Mitigation

Use Liveblocks proven infra

marketmedium severity

Solo users dominate

Mitigation

Upsell teams

Validation Roadmap

pre-build7 days

Interview 10 student teams

Success: Pain confirmed

launch30 days

100 concurrent sessions

Success: 95% uptime

Pivot Options

  • General design collab
  • Add video call
  • Enterprise teams

Quick Stats

Build Time
160h
Target MRR (6 mo)
$2,000
Market Size
$6.0M
Features
9
Database Tables
3
API Endpoints
4