Update meeting location, August dates, and September upcoming challenge

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Home.md

@@ -56,4 +56,4 @@ This section continues to grow with creator partnerships, tutorial content, and
 
 ---
 
-**Last Updated**: July 16, 2026
+**Last Updated**: August 16, 2026

Important-Dates.md

@@ -6,14 +6,14 @@
 
 ### Next Meetup
 
-- **June Meetup: June 17th, 2026** ✓ *Completed*
-  - Judging of June 2026 Challenge ("Show & Tell Extravaganza!")
-  - Challenge announcement for July 2026 Challenge ("Scarf Seams")
-
-- **July Meetup: July 15th, 2026**
+- **July Meetup: July 15th, 2026** ✓ *Completed*
   - Judging of July 2026 Challenge ("Scarf Seams")
-  - Challenge announcement for August 2026 Challenge ("[Theme TBD]")
-  - Focus on dialing in Scarf Seam settings and techniques
+  - Challenge announcement for August 2026 Challenge ("Gridfinity Extravaganza")
+
+- **August Meetup: August 19th, 2026**
+  - Judging of August 2026 Challenge ("Gridfinity Extravaganza")
+  - Challenge announcement for September 2026 Challenge ("[Theme TBD]")
+  - Focus on Gridfinity system and organizational efficiency
 
 ## Regular Meeting Schedule
 
@@ -37,7 +37,7 @@
 - **Submission Deadline**: May 20, 2026
 - **Judging**: May 20, 2026 meetup
 
-See [Current Challenge](Current-Challenge) for complete details.
+See [Challenge Archive](Challenge-Archive) for complete details.
 
 ### June 2026: "Show & Tell Extravaganza!"
 
@@ -49,22 +49,28 @@ See [Challenge Archive](Challenge-Archive) for complete details.
 
 ### July 2026: "Scarf Seams"
 
-- **lyallenge Announcement**: June 17, 2026
+- **Challenge Announcement**: June 17, 2026
 - **Submission Deadline**: July 15, 2026
 - **Judging**: July 15, 2026 meetup
 
-See [Current Challenge](Current-Challenge) for updates.
+See [Challenge Archive](Challenge-Archive) for complete details.
 
-## Meeting Locations
+### August 2026: "Gridfinity Extravaganza"
 
-**June 2026 Meetup:**
+- **Challenge Announcement**: July 15, 2026
+- **Submission Deadline**: August 19, 2026
+- **Judging**: August 19, 2026 meetup
+
+See [Current Challenge](Current-Challenge) for complete details.
+
+## Meeting Location
+
+**Standard Location:**
 West Fargo Public Library  
 215 Third St. E.  
 West Fargo, ND 58078  
 
-**Standard Location:**
-2222 7th Ave N  
-Fargo, ND 58102
+*(Note: We will occasionally have one-off meetings at alternative venues, which will be announced in advance.)*
 
 ## Contact Information
 
@@ -72,4 +78,4 @@ Fargo, ND 58102
 
 ---
 
-**Last Updated**: June 10, 2026
+**Last Updated**: August 16, 2026

Upcoming-Challenge.md

@@ -2,15 +2,15 @@
 gitea: none
 tags:
  - challenge
- - challenge-009
+ - challenge-tbd
 ---
 [← Back to Home Page](Home)
 
-# Upcoming Challenge: August 2026 (To Be Determined)
+# Upcoming Challenge: September 2026 (To Be Determined)
 
 ## Challenge: [Theme TBD]
 
-*Details for the August 2026 challenge are currently being decided. We'll announce the full details at the July meetup!*
+*Details for the September 2026 challenge are currently being decided. We'll announce the full details at the August 19th meetup!*
 
 ### The Focus: [TBD]
 
@@ -18,7 +18,7 @@ tags:
 
 ### Submission Requirements
 
-* **Physical Model**: Bring your print to the **August** meetup.
+* **Physical Model**: Bring your print to the **September** meetup.
 * **The Story**: Be ready to tell the group about your creation.
 
 ### Judging & Prize
@@ -28,10 +28,10 @@ tags:
 
 ### Timeline
 
-* **Challenge Announcement**: July 2026 (at July meetup)
-* **Show & Tell / Voting**: August 2026 (during August meetup)
-* **Winner Announcement**: August 2026 (end of August meetup)
+* **Challenge Announcement**: August 19th, 2026 (at August meetup)
+* **Show & Tell / Voting**: September 2026 (during September meetup)
+* **Winner Announcement**: September 2026 (end of September meetup)
 
 ---
 
-**This challenge will become active in August 2026**
+**This challenge will become active in September 2026**