Revert November challenge to TBD placeholder

Readme.md

@@ -47,7 +47,7 @@ Upcoming meeting dates, challenge milestones, and venue information for our regu
 Monthly design challenges and competitions. Currently featuring:
 
 - **[Active Challenge](./challenges/current/current.md)**: Halloween Prints (Costume props, spooky decor & specialty materials, judging October 28, 2026)
-- **[Upcoming Preview](./challenges/current/upcoming.md)**: November 2026 Multi-Material Printing preview
+- **[Upcoming Preview](./challenges/current/upcoming.md)**: November 2026 challenge preview
 - **[Challenge Archive](./challenges/archive/readme.md)**: Historical past challenges from 2025 and 2026
 - Challenge rules, judging criteria, and submission guidelines
 - Free filament spool prizes for challenge winners

challenges/current/readme.md

@@ -25,5 +25,5 @@ Our monthly challenges follow a 3-stage lifecycle:
 ## Current Files
 
 - **[Active Challenge](current.md)**: October 2026 Halloween Prints (currently active, judging October 28th, 2026).
-- **[Upcoming Challenge Preview](upcoming.md)**: November 2026 Multi-Material Printing preview (to be announced at the October meetup).
+- **[Upcoming Challenge Preview](upcoming.md)**: November 2026 preview (to be announced at the October 28th meetup).
 - **[Challenge Archive](../archive/readme.md)**: Browse all completed past challenges from 2025 and 2026.

challenges/current/upcoming.md

@@ -3,45 +3,40 @@ title: "Upcoming Challenge: November 2026"
 category: "challenges"
 subcategory: "current"
 order: 2
-description: "November 2026 Multi-Material Printing challenge details, requirements, and preview."
+description: "Preview of upcoming monthly challenges."
 tags:
   - challenge
   - upcoming
-  - multimaterial
 ---
 
 [← Back to Challenges Hub](../readme.md) | [Current Challenge](current.md)
 
-# Upcoming Challenge: November 2026
+# Upcoming Challenge: November 2026 (To Be Determined)
 
-## Challenge: Multi-Material Printing
+## Challenge: [Theme TBD]
 
-Explore the boundaries of multi-color and multi-material additive manufacturing! Whether you use an AMS, MMU, toolchanger, IDEX, manual filament swapping, or dual extrusion, show off what is possible when combining colors and materials in a single print.
+*Details for the November 2026 challenge are currently being decided. We will announce the full details at the October 28th meetup.*
 
-### The Focus: Multi-Color & Multi-Material Mastery
+### The Focus: [TBD]
 
-The goal is to showcase prints that utilize more than one material or color:
+*[Focus details to be added]*
-- **Multi-Color Aesthetic Models**: HueForge paintings, color-separated figurines, badges, and decorative art.
-- **Multi-Material Functional Prints**: Rigid bodies with TPU flexible gaskets/grips, dissolvable/PETG support interfaces for flawless overhangs, or contrasting text inserts.
-- **Manual Layer Swaps**: Single-extruder layer-pause color swaps for signage and high-contrast designs.
 
 ### Submission Requirements
 
-* **Physical Model**: Bring your multi-material/multi-color print to the **November 18th, 2026** meetup.
+* **Physical Model**: Bring your print to the **November 18th, 2026** meetup.
-* **Open to All Setups**: Automated filament systems (Bambu AMS, Prusa MMU, Voron StealthBurner ERCF, Snapmaker), multi-toolheads, or manual pause-at-layer color changes all qualify!
+* **The Story**: Be ready to tell the group about your creation.
-* **The Story**: Share your workflow, slicer tips (purge tower optimization, flush volumes, interface materials), and how you dialed in your print.
 
 ### Judging & Prize
 
-* **Voting**: Community members present at the November meetup will vote on favorite prints based on execution, color design, and technical mastery.
+* **Voting**: The group will vote on their favorite entry.
 * **Prize**: The winner will receive a **free spool of filament**!
 
 ### Timeline
 
-* **Challenge Announcement**: October 28th, 2026 (at the October meetup)
+* **Challenge Announcement**: October 28th, 2026 (at October meetup)
-* **Show & Tell / Voting**: November 18th, 2026 (during the November meetup)
+* **Show & Tell / Voting**: November 18th, 2026 (during November meetup)
-* **Winner Announcement**: November 18th, 2026 (end of the November meetup)
+* **Winner Announcement**: November 18th, 2026 (end of November meetup)
 
 ---
 
-**This challenge will become the active challenge for November 2026**
+**This challenge will become active in November 2026**

challenges/readme.md

@@ -17,7 +17,7 @@ Welcome to the monthly 3D printing challenges for the Fargo 3D Print Meetup! Eac
 
 - **[Current & Upcoming Challenges](current/readme.md)**
   - **[Active Challenge](current/current.md)**: October 2026 Halloween Prints (bring physical models to October 28th meetup)
-  - **[Upcoming Preview](current/upcoming.md)**: November 2026 Multi-Material Printing preview
+  - **[Upcoming Preview](current/upcoming.md)**: November 2026 challenge preview
 - **[Challenge Archive](archive/readme.md)**
   - Complete history of past 2025 and 2026 challenges, guidelines, and winner spotlights.