Update challenges and wiki submodule for January/February cycle

announcements/January2026.md

@@ -0,0 +1,28 @@
+# 3D Fuel January Meetup - Meeting Announcement
+
+## Email Subject Line
+
+Join Us Tonight: 3D Printing Meetup + 3D Fuel Production Tour
+
+---
+
+## Email Body / Reddit Post
+
+Hey everyone!
+
+Join us tonight for the **January 3D Printing Meetup**.
+
+For more information about the meetup and community events, visit [www.fargo3d.com](https://www.fargo3d.com)
+
+**Time: 6:00 - 8:00 PM**
+
+Come join us to catch the latest industry news updates from John, and participate in the contest by bringing your favorite "Test Models" for judging! We'll also be revealing the details for the new January Challenge. 
+
+Plus, don't miss our featured activity: a 3D Fuel Production Tour. Come see the changes to the production floor and how the magic happens. We'll wrap up with our usual social time and discussion.
+
+### Special Activity: 3D Fuel Production Tour
+
+We're taking a tour of the production floor! Come see the changes to 3D Fuel's Production processes and check out how the filament is made.
+
+
+See you there!

challenges/January-2026/readme.md

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 include_toc: true
 ---
 
-# January 2026 Challenge: [Title TBD]
+# January 2026 Challenge: Maker Coin Holder Design
 
-**Status**: Planning in Progress
+**Status**: Active
 
 ## Challenge Overview
 
-Details for the January 2026 challenge will be announced at the January meetup.
+This month's challenge is to design a holder for our **Maker Coin**.
+
+## Details
+
+### Getting the Coin
+To participate, you need a Maker Coin to measure or test your design with.
+- **Pick one up**: Stop by 3D Fuel to grab a physical coin.
+- **Print one**: You can print your own coin!
+  - **Nozzle Requirement**: 0.2mm nozzle is required for the fine detail.
+  - **Model Link**: [Filament Fabricators Maker Coin on MakerWorld](https://makerworld.com/en/models/2115458-filament-fabricators-maker-coin#profileId-2289196)
 
 ## Timeline