diff --git a/Upcoming-Challenge.md b/Upcoming-Challenge.md index 455593d..6c7985f 100644 --- a/Upcoming-Challenge.md +++ b/Upcoming-Challenge.md @@ -1,98 +1,21 @@ -[← Back to Home Page](Home)[← Back to Home Page](Home) +[← Back to Home Page](Home) +# Upcoming Challenge: December 2025 +## [Challenge Title TBD] -# Upcoming Challenge: December 2025# Upcoming Challenge: November 2025 +**This challenge will be announced at the December 10th, 2025 meetup!** +## What We Know So Far - -## [Challenge Title TBD]## "Wait, This Was Printed? How Are There No Layer Lines?" - - - -**This challenge will be announced at the December 10th, 2025 meetup!**Can you achieve the smoothest, most layer-line-free surface finish possible? This challenge pushes your printer tuning, slicer settings, and material knowledge to the limit. The goal is simple but difficult: create a 25mm cube with 2 walls and no top that looks so smooth, people question whether it was actually 3D printed! - - - -## What We Know So Far## Challenge Details - - - -- **Challenge Announcement**: December 10, 2025 (at December meetup)### Materials & Constraints - +- **Challenge Announcement**: December 10, 2025 (at December meetup) - **Submission Deadline**: January 2026 (at January meetup) +- **Judging**: January 2026 (during January meetup) -- **Judging**: January 2026 (during January meetup)- **Filament**: 3D Fuel filament (any type: PLA+, Pro PLA+, PCTG etc.) +## Challenge Details Coming Soon -- **Nozzle Requirement**: Must use a 0.4mm nozzle (REQUIRED) - -## Challenge Details Coming Soon- **Estimated Filament Usage**: Approximately 3 grams (for reference only) - -- **Model Specification**: - -Challenge theme, requirements, and full details will be revealed at the December meetup. Stay tuned! - **Dimensions**: Exactly 25mm x 25mm x 25mm cube (REQUIRED) - - - **Wall Count**: Exactly 2 walls (no more, no less) (REQUIRED) - ---- - **Top Layers**: 0 (no top surface) - - - **Bottom Layers**: Standard (as needed for proper adhesion) - -**This challenge will become active on December 10, 2025** - **Infill**: 0% (hollow interior) - -- **Print Mode**: Standard FDM/FFF printing (no resin printing) - -### Competition Categories - -- **Smoothest Surface**: Best overall surface finish with minimal visible layer lines straight off the printer -- **No post-processing allowed** - cubes must be judged as-printed - -### Judging Criteria - -1. **Layer Line Visibility** (100%): The appearance and visibility of layer lines - less visible is better - - All cubes must meet basic challenge requirements (25mm cube dimensions, exactly 2 walls, 0.4mm nozzle, no post-processing) - - Winner is determined solely by smoothness of surface and minimal layer line appearance - - **Tiebreaker**: If two prints are too close to differentiate, the fastest print time wins - -### Submission Requirements - -- **Physical Model**: Bring your printed 25mm cube to the December meetup for judging -- **Dimension Verification**: Must be exactly 25mm x 25mm x 25mm -- **Wall Count Verification**: Must show exactly 2 walls when inspected -- **Nozzle Verification**: Must be printed with 0.4mm nozzle -- **Print Time**: Record and report your total print time (used as tiebreaker if needed) -- **Settings Documentation**: Share your winning settings (layer height, temperature, speed, cooling, techniques) -- **Process Notes**: Brief description of your approach - -## Timeline - -- **Challenge Announcement**: November 12, 2025 (at November meetup) -- **Submission Deadline**: December 10, 2025 (at December meetup) -- **Judging Period**: December 10, 2025 (during December meetup) -- **Winner Announcement**: December 10, 2025 (end of December meetup) - -## Creating the Cube Model - -### Using the Provided Model - -**Download the pre-configured cube:** - -- **File Location**: [Challenge Files/November2025/Cube.3mf](https://gitea.ercomputersolutions.net/espoon/3DPrintMeetup/src/branch/master/Challenge%20Files/November2025/Cube.3mf) -- **Pre-configured**: Already set to 25mm x 25mm x 25mm with 2 walls and no top -- **Ready to slice**: Import into your slicer and adjust settings for your printer - -### Creating from Scratch - -See the full [November 2025 Challenge Details](https://gitea.ercomputersolutions.net/espoon/3DPrintMeetup/src/branch/master/challenges/November-2025) for complete instructions on creating the model using Bambu Studio, Orca Slicer, or other CAD software. - -## Tips for Success - -- **Lower layer heights** (0.1mm-0.12mm) help reduce visible lines -- **Slower speeds** improve surface quality -- **Temperature tuning** is critical for layer adhesion -- **Proper cooling** prevents warping without sacrificing layer bonding -- **Material choice** matters - some 3D Fuel filaments naturally produce smoother surfaces +Challenge theme, requirements, and full details will be revealed at the December meetup. Stay tuned! --- -**This challenge will become active on November 12, 2025** +**This challenge will become active on December 10, 2025**