About
3D Automotive Model Exhibition
Official Rulebook
Organizer: EELEVEN
Segment: 3D Automotive Model Exhibition
Event Link: https://www.facebook.com/share/195bTw2LG6/
Version: F1 - [11.07.2026]
1. Segment Overview
Participants design a 4 wheel automobile model in digital medium (3D), fabricate a physical scale model and present the result at the Autofest exhibition floor.
Segment Information
Segment Code: BAF26-3DM
Format: Design → Fabricate → Exhibit → Defend
Team Size: 1–4 members
Registration Fee: BDT 999 per team
Venue: Aloki, Dhaka
Exhibition Date: 17.07.2026 & 18.07.2026
2. Definitions
Entry
One team + one model + one submission package.
Digital Model
Native 3D file (CAD, polygon, surface models) plus neutral format export.
Model components must be watertight and 3D printable.
Both physical and digital models must be of the same scale.
See Section 6.
Physical Model
Fabricated scale artifact presented on the exhibition floor.
Maximum dimensions: 500 × 500 × 500 mm.
See Section 7.
Fabrication Process
Scaled model making techniques, additive manufacturing (3D printing) of any process family, or mixed methods.
See Section 7.
Submission Deadline
See Section 5.
3. Eligibility
E-1
Open to currently enrolled university students only (undergraduate or postgraduate).
E-2
Valid student ID required at registration and at check-in.
E-3
A participant may appear on one team only.
E-4
Cross-institution teams are permitted.
E-5
Organizers, judges, and their immediate relatives may not compete.
4. Scope & Entry Format
All entries compete in a single combined pool—there are no separate categories or award tracks.
S-1
An entry may be a concept vehicle prototype of 4 wheels.
Sub-system level implementations are not mandatory; participants are encouraged to focus on vehicle packaging and exterior.
S-2
Entries are judged according to the rubric described in Section 9.
S-3
One entry per team.
5. Timeline
Registration Opens
Date: 11.07.2026 – 13:00
Deliverable: Team form + Registration fee
Location: Online
Registration Closes
Date: 15.07.2026 – 13:30
Deliverable: Team form + Registration fee
Location: Online
Digital Submission Deadline
Date: 15.07.2026 – 23:30
Deliverable: 3D Model Package + Render Images + Design Report (PDF)
Location: Online (Link/Email)
Shortlist Announcement
Date: 16.07.2026 – 09:30
Location: Online / Event Page / Email
Physical Model Check-in
Date: 16.07.2026 – 14:30
Deliverable:
Physical Model
Printed Design Report
Poster / PPT on Laptop
Location: Aloki, Dhaka
Exhibition & Judging
Date: 17.07.2026 & 18.07.2026
Requirement: Booth Presence
Location: Aloki, Dhaka
Results
Date: 18.07.2026 – 15:30
Location: Event Venue & Online
6. Digital Model Rules
D-1
Any CAD package or 3D modeling software is permitted, including SolidWorks, CATIA, NX, Fusion 360, Blender, Onshape, FreeCAD, Alias, Rhino3D, etc.
D-2
Submit both:
Native project file
Neutral export (.STEP / .IGES / Parasolid / OBJ / STL)
Declare the software name and version inside readme.txt.
D-3
The model must be original work produced by participants.
D-4
Downloaded, purchased or AI-generated design geometry is prohibited as primary content.
Commercial assets (tires, lamps, etc.) must be declared.
D-5
Existing production vehicles may only be used as styling references.
Geometry must be modeled from scratch.
D-6
Reference vehicles, if any, must be listed in the Design Report.
D-7
Modeling history / Feature Tree must remain intact where applicable.
D-8
A screen recording or screenshot process log must be available if requested during dispute resolution.
D-9
Minimum deliverables:
3D Model
Rendered Images
7. Physical Model Rules
P-1
Fabrication by 3D printing is preferred.
Hybrid methods are also permitted.
P-2
Any additive manufacturing process is allowed including:
FDM
SLA / MSLA
SLS
MJF
Others
P-3
Maximum size:
500 × 500 × 500 mm
A pedestal is required if the model exceeds 5 kg.
P-4
Scale must be clearly stated and remain consistent.
Recommended scales:
1:10
1:18
1:24
P-5
Post-processing is permitted including:
Sanding
Priming
Painting
Decals
P-6
All non-printed elements must be listed in the Design Report.
P-7
Functional features are optional but receive bonus credit.
P-8
The following are prohibited:
Pyrotechnics
Exposed mains voltage
Unprotected LiPo batteries
Corrosive chemicals
Volatile chemicals
P-9
Battery-powered models are limited to 12V DC or below.
8. Submission Package
Participants must submit:
Native 3D files
Original software format
readme.txt
Neutral 3D Export
STEP
IGES
Parasolid
OBJ
STL
Design Report
PDF
Poster / PPT
Carry during exhibition
No prior submission required
Process Log
Images or Video
Originality Declaration
Signed PDF
Naming Convention
BAF26-3DM_[Team Name]_[File Name].[ext]Upload Channel: See Section 5.
9. Judging Criteria
Design Quality & Aesthetics — 20%
Assessed on:
Proportion
Packaging
Surfacing
Styling coherence
Execution of Vision — 20%
Assessed on:
Match with concept
Design Report consistency
3D Digital Model Craftsmanship — 15%
Assessed on:
Feature Tree
Sketch discipline
Parametric robustness
Physical Model Build Quality — 30%
Assessed on:
Dimensional fidelity
Surface finish
Assembly fit
Innovation & Functionality — 10%
Assessed on:
Moving parts
Electronics
Novel concepts
Presentation & Defense — 5%
Assessed on:
Poster
Slides
Question & Answer session
Total Score: 100%
Judging consists of two rounds:
Initial Shortlisting
Floor Evaluation
Judges' decisions are final.
10. Penalties & Disqualification
Late Digital Submission
5% deduction every 3 hours
Maximum delay allowed: 24 hours
Rejected afterward
Missing Deliverables
Disqualification
Missing Design Report results in a 20% deduction
Oversized or Unsafe Model
Excluded from the exhibition floor.
Undeclared Third-Party Geometry
Disqualification.
Plagiarism or Reused Previous Entry
Disqualification.
Unsafe Exhibit, Misconduct or Harassment
Immediate removal.
Absence During Judging
Presentation marks forfeited.
11. Awards
Champion
BDT 100,000
Certificate
Runner-up
BDT 50,000
Certificate
Best CAD Craftsmanship
Social Media Recognition
Best Print Quality
Social Media Recognition
People's Choice
Social Media Recognition
All registered participants selected for exhibition receive:
Digital Certificate
Access to the second day of the event
12. Intellectual Property & Media
IP-1
Teams retain full ownership of their designs.
IP-2
EELEVEN and sponsors receive a non-exclusive, royalty-free license to photograph, display and publish entries for promotional purposes.
IP-3
Submitted files will not be redistributed as printable assets without written permission.
IP-4
Promotional use outside Bangladesh Autofest by sponsors requires separate participant consent.
13. Code of Conduct
Respectful behavior toward participants, volunteers, judges and visitors is mandatory.
Damage to venue property is the responsibility of the team.
Models must remain attended or properly secured during exhibition hours.
Organizers are not liable for loss or damage.
14. Appeals
Scoring judgments and final results are not appealable.
Only procedural errors (such as missing deliverables) may be appealed before judging closes.
15. Contact
Registration
Name: Hameem Julfiqar
Phone: +8801830-465391
Technical Queries
Name: Hameem Julfiqar
Phone: +8801830-465391
Amendments to this rulebook will be notified through the official Bangladesh Autofest publicity channels and registered participant email.