Restructure challenges into current and archive folders

challenges/archive/August-2026.md

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+---
+title: "August 2026: Gridfinity Extravaganza"
+category: "challenges"
+subcategory: "2026"
+order: 202608
+description: "August 2026 challenge focusing on Gridfinity modular organization systems."
+tags:
+  - challenge
+  - archive
+  - 2026
+  - challenge-009
+---
+
+[← Back to Home Page](Home)
+
+# Past Challenge: August 2026
+
+## Challenge: Gridfinity Extravaganza
+
+In August 2026, we dove into the world of **Gridfinity**! Whether participants were long-time users or completely new to the modular organization system, members showed off their organizational skills and clever modules.
+
+### The Focus: Organizational Efficiency
+The goal was to create a functional and well-executed Gridfinity module that solved a real-world storage problem or simply looked great.
+
+### Submission Requirements
+
+* **Physical Model**: Brought to the August 19th, 2026 meetup.
+* **Required Components**: 
+    * At least one **Gridfinity Base** (the base plate).
+    * One **Top Accessory** that fits into that base (a bin, cover, tool holder, or other custom accessory).
+* **The Story**: Participants explained what their accessory was for and how they approached the design and print.
+
+### Judging & Prize
+
+* **Voting**: The group voted on their favorite entry based on utility, creativity, and print quality.
+* **Prize**: The winner received a **free spool of filament**!
+
+### Timeline
+
+* **Challenge Announcement**: July 15th, 2026 (at July meetup)
+* **Show & Tell / Voting**: August 19th, 2026 (during August meetup)
+* **Winner Announcement**: August 19th, 2026 (end of August meetup)
+
+---
+
+**This challenge was active for August 2026 and is now archived.**