Race the Clock.
Master the Model.
Timed modeling challenges that sharpen your CAD skills. Compete in tournaments, track your progress, and prove you're the fastest modeler on your team.
Everything you need to
level up your CAD skills
A purpose-built platform for engineers who want to get faster and more accurate at CAD modeling.
Timed Challenges
Race the clock with real engineering drawings. Each challenge has a target mass — model it accurately and submit before time runs out. Difficulty ranges from beginner to expert.
Tournaments
Organize elimination or Swiss-style tournaments for your team. Private join codes keep it invite-only.
Live Inventor Bridge
Connect directly to Autodesk Inventor. Check your model's mass in real-time without leaving the browser.
Achievements
Unlock badges as you complete challenges, hit streaks, and reach new milestones. Track your growth over time.
Leaderboards
See how you stack up against the competition. Global rankings and per-challenge leaderboards keep things competitive.
Progress Dashboard
Detailed stats, completion rings, time trends, and streak tracking. Know exactly where you're improving.
Start modeling in
three simple steps
Pick a Challenge
Browse challenges by difficulty. Each one comes with an engineering drawing and a target mass to hit.
Model It in Inventor
Start the timer, open Inventor, and build the part. The bridge connection lets you check your mass live.
Submit & Compete
When your mass is within tolerance, submit your time. Climb the leaderboard and earn achievements.
Simple, transparent
pricing for every team
Start free and upgrade when you're ready. No credit card required.
Free
For individuals exploring challenges
- Access all challenges
- Global leaderboard
- Basic achievements
- Inventor Bridge connection
Pro
For engineers who want to compete seriously
- Everything in Free
- Create & organize tournaments
- Detailed analytics & trends
- Data export (JSON/CSV)
- Pro badge on leaderboard
Team
For engineering teams and educators
- Everything in Pro
- Unlimited tournament creation
- Team management dashboard
- Custom challenge creation
- Dedicated support channel
Compare all features
| Feature | Free | Pro | Team |
|---|---|---|---|
| Access all challenges | ✓ | ✓ | ✓ |
| Global leaderboard | ✓ | ✓ | ✓ |
| Achievement tracking | ✓ | ✓ | ✓ |
| Inventor Bridge connection | ✓ | ✓ | ✓ |
| Join tournaments | ✓ | ✓ | ✓ |
| Create & organize tournaments | — | Up to 10 | ∞ |
| Performance analytics | — | ✓ | ✓ |
| Data export (JSON/CSV) | — | ✓ | ✓ |
| Custom avatar upload | — | ✓ | ✓ |
| Priority support | — | ✓ | ✓ |
| Tier badge on leaderboard | — | ✓ | ✓ |
| Team management dashboard | — | — | ✓ |
| Custom challenge creation | — | — | ✓ |
| API access for integrations | — | — | ✓ |
| Dedicated support channel | — | — | ✓ |
Ready to sharpen your
CAD modeling skills?
Create your free account and start your first challenge in minutes.
What's on the
roadmap
Relay Tournaments
Team-based relay races where members take turns on challenges.
Google Sign-In
One-click authentication with your Google account.
Advanced Analytics
Time trend charts, difficulty distribution, and skill breakdowns.
Notifications
Get notified about tournament updates, achievements, and new challenges.