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Challenge-Archive.md

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+---
+title: "Challenge Archive"
+category: "challenges"
+order: 10
+description: "Complete archive of past monthly design challenges and winner spotlights."
+tags:
+  - challenge
+  - archive
+---
+[← Back to Home Page](Home)
+
+# Challenge Archive
+
+Browse through our past community challenges, winning entries, and design prompts:
+
+### 2026 Challenges
+- **[August 2026: "Gridfinity Extravaganza"](August-2026)** - Modular storage systems and custom bin designs.
+- **[July 2026: "Scarf Seams"](July-2026)** - Testing seamless z-seam alignment on organic curved surfaces.
+- **[May 2026: "Bring an Experiment 2"](May-2026)** - Printer experiments, failure analysis, and discoveries.
+- **[March 2026: "Print-in-Place"](March-2026)** - Articulated models and tight tolerance hinges.
+- **[February 2026: "Speed vs. Quality"](February-2026)** - High-speed flow rate tuning challenge.
+- **[January 2026: "Fix It!"](January-2026)** - Real-world replacement parts and repairs.
+
+### 2025 Challenges
+- **[December 2025: "Holiday Ornaments"](December-2025)** - Festive seasonal lithophanes and decorations.
+- **[November 2025: "Wait, This Was Printed?"](November-2025)** - Surface finish challenge (25mm test cube).
+- **[October 2025: "Is it Glass or Clearly Natural?"](October-2025)** - Optical clarity challenge using 3D Fuel Clearly Natural.