77 lines
3.0 KiB
Markdown
77 lines
3.0 KiB
Markdown
# Current Challenge: October 2025
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## "Is it Glass or Clearly Natural?"
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Experience the clarity of 3D Fuel's "Clearly Natural" filament in this transparency-focused challenge! Participants will attempt to create the clearest possible print, testing the limits of clear filament printing techniques.
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## Challenge Details
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### Materials & Constraints
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- **Filament**: 3D Fuel "Clearly Natural" - Available in two variations:
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- PCTG (Polyethylene Terephthalate Glycol)
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- PLA (Polylactic Acid)
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- **Maximum Filament Usage**: 250g per entry
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- **Model Specification**: Cylinder - 25mm diameter × 50mm height
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- **Print Mode**: Vase mode (approximately 6 grams of filament)
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### Competition Categories
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- **PCTG Division**: For prints using Clearly Natural PCTG
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- **PLA Division**: For prints using Clearly Natural PLA
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- **Overall Winner**: Best clarity across both divisions
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### Judging Criteria
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1. **Clarity & Transparency** (40%): How clear and glass-like is the final print?
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2. **Print Quality** (30%): Surface finish, layer adhesion, and overall structural integrity
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3. **Technique Innovation** (20%): Creative printing techniques to maximize transparency
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4. **Challenge Adherence** (10%): Following material constraints and using supplied model
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### Submission Requirements
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- **Model Compliance**: Cylinder must measure 25mm diameter × 50mm height
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- **Vase Mode**: Must be printed in vase mode (single perimeter wall)
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- **Weight Verification**: Should use approximately 6 grams of filament
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- **Documentation**: Include photos showing transparency (with light sources)
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- **Settings Documentation**: Share printer settings used (layer height, temperature, speed, etc.)
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- **Process Notes**: Brief description of techniques used to achieve clarity
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## Timeline
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- **Challenge Announcement**: October 1, 2025
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- **Model Specification Released**: October 13, 2025
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- **Submission Deadline**: October 28, 2025
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- **Judging Period**: October 29-30, 2025
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- **Winner Announcement**: October 31, 2025
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## Creating the Cylinder Model
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### Using Bambu Studio
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**Step 1: Add Primitive**
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1. Open Bambu Studio to a new project
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2. Right-click on the build plate
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3. Select "Add Primitive"
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4. Select "Cylinder"
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**Step 2: Resize the Cylinder**
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1. Click to resize the cylinder
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2. Uncheck "uniform scale" if checked
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3. Set X and Y to 25mm
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4. Set Z to 50mm
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### Alternative Methods
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- **Fusion 360**: Create cylinder sketch, extrude to 50mm height
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- **Tinkercad**: Use cylinder shape, adjust dimensions
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- **FreeCAD**: Create cylinder with specified dimensions
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- **Any CAD Software**: Simple cylinder 25mm diameter × 50mm height
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## Awards & Recognition
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### Awards
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- **PCTG Division Winner**: Recognition + prize
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- **PLA Division Winner**: Recognition + prize
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- **Overall "Glass Master" Winner**: Grand prize + recognition
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- **People's Choice Award**: Community favorite
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- **Innovation Award**: Most creative clarity technique
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### Documentation
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- Winner photos for social media sharing
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- Video documentation of winning techniques
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- Settings and process sharing for community learning |