From 5f51104a26a2410a9a98cd534aa6751bd1d735a5 Mon Sep 17 00:00:00 2001 From: Eric Spooner Date: Mon, 13 Oct 2025 10:02:06 -0500 Subject: [PATCH] Update October challenge: Change to 25mm x 50mm cylinder in vase mode - Replace pre-supplied model with standard cylinder specification - Update to vase mode printing (~6g filament vs 250g limit) - Add vase mode specific tips and requirements - Update timeline to reflect model spec release date --- challenges.md | 20 ++++++++++++-------- 1 file changed, 12 insertions(+), 8 deletions(-) diff --git a/challenges.md b/challenges.md index ebd29df..9c7eb9a 100644 --- a/challenges.md +++ b/challenges.md @@ -19,7 +19,8 @@ Experience the clarity of 3D Fuel's "Clearly Natural" filament in this transpare - PCTG (Polyethylene Terephthalate Glycol) - PLA (Polylactic Acid) - **Maximum Filament Usage**: 250g per entry -- **Model**: Pre-supplied design (will be distributed to participants) +- **Model Specification**: Cylinder - 25mm diameter × 50mm height +- **Print Mode**: Vase mode (approximately 6 grams of filament) #### Competition Categories @@ -36,7 +37,9 @@ Experience the clarity of 3D Fuel's "Clearly Natural" filament in this transpare #### Submission Requirements -- **Weight Verification**: Final print must be weighed to confirm 250g filament limit +- **Model Compliance**: Cylinder must measure 25mm diameter × 50mm height +- **Vase Mode**: Must be printed in vase mode (single perimeter wall) +- **Weight Verification**: Should use approximately 6 grams of filament - **Documentation**: Include photos showing transparency (with light sources) - **Settings Documentation**: Share printer settings used (layer height, temperature, speed, etc.) - **Process Notes**: Brief description of techniques used to achieve clarity @@ -67,15 +70,16 @@ Experience the clarity of 3D Fuel's "Clearly Natural" filament in this transpare ### 📅 Timeline - **Challenge Announcement**: October 1, 2025 -- **Model Distribution**: October 3, 2025 +- **Model Specification Released**: October 13, 2025 - **Submission Deadline**: October 28, 2025 - **Judging Period**: October 29-30, 2025 - **Winner Announcement**: October 31, 2025 ### 💡 Tips for Success -- Experiment with layer heights (smaller often helps with clarity) -- Consider post-processing techniques (vapor smoothing, sanding) -- Optimize print orientation for minimal support material -- Temperature tuning can significantly impact clarity -- Consider printing speed adjustments for better layer bonding \ No newline at end of file +- **Vase Mode Settings**: Ensure single perimeter, no infill, no top layers +- **Layer Height**: Experiment with smaller layer heights (0.1-0.2mm) for better clarity +- **Print Speed**: Slower speeds in vase mode often improve surface quality +- **Temperature Tuning**: Optimal temperature is critical for transparency +- **Cooling**: Proper part cooling helps maintain wall quality in vase mode +- **Post-Processing**: Light sanding or vapor smoothing can enhance clarity \ No newline at end of file