Add December announcement and update challenge status

Readme.md

@@ -45,7 +45,8 @@ Complete meeting format and timeline for our monthly gatherings. Includes:
 
 Monthly design challenges and competitions. Currently featuring:
 
-- **November 2025**: "Wait, This Was Printed? How Are There No Layer Lines?" - Surface finish challenge
+- **Active (Nov)**: "Wait, This Was Printed?" - Surface finish challenge (Judging Dec 10)
+- **Upcoming (Dec)**: "Bring Your Test Models" - Calibration print showcase
 - Challenge rules, judging criteria, and submission guidelines
 - Prize structures and recognition programs
 - Tips for achieving the best results

announcements/December2025.md

@@ -0,0 +1,47 @@
+# 3D Fuel December Meetup - Meeting Announcement
+
+## Email Subject Line
+
+Join Us December 10th: 3D Printing Meetup + SVG Lettering + FormNext Recap + Challenge Winners
+
+---
+
+## Email Body / Reddit Post
+
+Hey everyone!
+
+Join us for the **December 3D Printing Meetup**. Please note: **This month's meeting is on Wednesday, December 10th at 6:00 PM** (adjusted for the holidays).
+
+For more information about the meetup and community events, visit our new website: [www.fargo3d.com](https://www.fargo3d.com)
+
+### Meeting Agenda
+
+**Time: 6:00 - 8:00 PM**
+
+1. **Social Time & Networking** - Welcome and catching up
+2. **Industry News Update** - **FormNext Coverage** with John - A look at the latest tech from the world's largest additive manufacturing expo.
+3. **Show & Tell & Challenge Judging** - **November Challenge Judging**: "Wait, This Was Printed?" (Smooth Cube Challenge). Bring your cubes!
+4. **New December Challenge Announcement** - "Bring Your Test Models" - Share your favorite calibration and testing prints.
+5. **Featured Presentation: SVGs and Lettering on Prints** - Presented by **Eric Spooner**
+6. **Closing Discussion** - Wrap-up and informal conversation
+
+### Special Presentation: SVGs and Lettering on Prints
+
+Join us for a deep dive into adding custom graphics and text to your 3D prints! This presentation will cover:
+
+- **Working with SVGs**: How to prepare vector graphics for 3D printing.
+- **Lettering Techniques**: Best practices for embedding or embossing text onto your models.
+- **Workflow Tips**: From design software to slicer implementation.
+
+### What to Expect
+
+- Network with local 3D printing enthusiasts
+- **FormNext Recap**: Hear about the newest industry innovations.
+- **Challenge Winners**: See who achieved the smoothest surface finish in our November challenge.
+- **Learn New Skills**: Master the art of putting text and graphics on your prints.
+- Ask questions from experienced makers
+
+### Location & Details
+
+**When:** Wednesday, December 10th, 2025 | 6:00 - 8:00 PM  
+**Where:** 3D-Fuel 2222 7th Ave N Fargo, ND 58102

challenges.md

@@ -9,23 +9,25 @@ Welcome to our monthly 3D printing challenges! Each month features a unique them
 
 ## Active Challenge
 
-### December 2025: "Bring Your Test Models"
+### November 2025: "Wait, This Was Printed?"
 
-**Theme**: Sharing and comparing printer calibration and test models
+**Theme**: Achieving the smoothest, most layer-line-free surface finish possible.
 
 **Key Details**:
 
-- **Model**: Your favorite test/calibration print (Benchy, Cube, Torture Test, etc.)
-- **Goal**: Share why you use it and what it helps you tune
-- **Voting**: Group vote for "Best Test Model" (Usefulness, Uniqueness, Coolness)
+- **Model**: 25mm x 25mm x 25mm cube (2 walls, 0 top layers, 0% infill)
+- **Goal**: Create a surface so smooth it doesn't look 3D printed
+- **Judging**: Based solely on surface smoothness and lack of visible layer lines
 
 **[View Full Challenge Details](https://meetup.fargo3d.com/Fargo3d/3DPrintMeetup/wiki/Current-Challenge)**
 
 ## Upcoming Challenge
 
-### November 2025: "[Challenge Name TBD]"
+### December 2025: "Bring Your Test Models"
 
-**Status**: Planning in progress
+**Theme**: Sharing and comparing printer calibration and test models.
+
+**Status**: To be announced at December 10th Meetup.
 
 **Expected Timeline**: