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Weekly Open House
Weekly Open House
June 1, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
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Diane Private event
Diane Private event
June 2, 2025 6:00 pm – 9:00 pm
This is a Private event. Other members can use the space during the event, but please be mindful of the event and try not to disturb them if possible.
Event Host : Diane
Info : Diane will be hosting a private event for a social group he is a member of. Expected size is 25 people and the Lab is where the event will be held..
Area used : The Clean lab (main front room) will be in use during this event.
Questions re : sergeantatarms@archreactor.org
Arch Reactor Created by: Sergeant At Arms Arch Reactor
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New Member Orientation
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Weekly Open House
Weekly Open House
June 3, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
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Member Meeting
Member Meeting
June 3, 2025 8:00 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
This meeting is Open to all Members and the General public. We would like to invite you all in to see what we have done for the month and to help us plan for the next month.
We host our new member training at 7p – 8p Follow by the Business meeting starting at 8p.
The member meeting consists of the AR Board members giving a brief report over their specific areas form the previous month, then Discussion of any larger topics we would like to bring to the attention of the membership at large, and Followed by setting the following months Calendar.
Members and the public are welcome to participate in and ask question in general during the process.
After the meeting we ask everyone stay and spend 10 minutes helping to do a general cleaning of the space, sections determined by a random lottery.
In Person : 2215 Scott Ave, St. Louis, MO 63103
Online : Join the Zoom Meeting https://zoom.us/j/91001376829
Meeting ID: 910 0137 6829
Find your local number: https://zoom.us/u/acuUOPCjhu
New member Orientation: Starts at 7pm in person
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2600 Meeting
2600 Meeting
June 6, 2025 6:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Host : Joe C. / Robert W.
Info : Arch Reactor is proud to host the only St. Louis 2600 meeting. All 2600 meetings are open to the public. Visit stl2600.org for more information regarding topic.
More details about 2600 can be found at http://stl2600.org
Project / Discussion : TBD
Questions : pr@archreactor.org
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Work In Progress Meetup
Work In Progress Meetup
June 8, 2025 5:00 pm – 7:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Host : Jeff Simmons
Cost : Free
Info : Have you ever started a project and it just got stuck? Well come on down and we’ll collaborate on getting unstuck! Feel free to bring all or part of that stuck project or even that idea that keeps churning in the back of your mind. We’ve all been there at one time or another.
Questions : PR@Archreactor.org
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Weekly Open House
Weekly Open House
June 8, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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Intro to Spinning Yarn
Intro to Spinning Yarn
June 10, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Alex H.
Cost : Free
Info : Learn how to spin wool into yarn using a drop spindle. Will also have a chance to try a spinning wheel.
Required Items : none
Questions : PR@Archreactor.org
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Weekly Open House
Weekly Open House
June 10, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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Work From AR
Work From AR
June 12, 2025 8:30 am – 3:00 pm
Private Members Event. Tours cannot be guaranteed during this event.
Second Thursdays are work from AR days. Learn about other’s expertise and the varied careers and jobs of our members. Often we go out to lunch together around 11:30. We usually use the education room as a quite space for headset meetings and the lab for computer work. Feel free to join us. Coffee provided.
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CNC Router Night
CNC Router Night
June 13, 2025 7:00 pm – 9:30 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Monthly meeting where we spend working on a project to explore bits, toolpaths, programs and everything CNC related. Questions can be sent to dereksigler@yahoo.com
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EDM Machine Build Day
EDM Machine Build Day
June 14, 2025 11:00 am – 4:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Jonathan L.
Location: Lab, Arch Reactor
Cost : Free
Info : We’re continuing work on the electric discharge machining…machine. Objectives for the 14th are to mount the tool head, make modifications to the frame to accommodate the tank, and connect it to the 3d printing computer
Required Items : none
Questions : PR@Archreactor.org
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RoboMo Meeting @ ArchReactor
RoboMo Meeting @ ArchReactor
June 14, 2025 1:00 pm – 3:00 pm
Host : Craig / Josh F.
Info :
ROBOMO is a club for people of all ages and experience levels who are interested in amateur robotics, electronics, and even artificial intelligence. Our members come from a very diverse background and are interested in a wide variety of robotic topics including telepresence, near space payloads, mini sumo, line following, mini Magellan, special “one of a kind” projects, computer vision and more. Our members are always willing to share their knowledge and experiences with each other with the common goal of learning about robotics and electronics and having a bit of fun along the way.
Video Meeting Link : https://meet.jit.si/JovialPotatoesBreedTightly
Meet up Page : https://www.meetup.com/robomo/
Questions : pr@archreactor.org
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Combat Robots Meetup
Combat Robots Meetup
June 15, 2025 5:00 pm – 7:00 pm
Host : Will Cost : Free, Open to Public
Info : Come join us from 5-7pm for a chill night of battle robots construction & conversation! No experience? No problem! Just bring yourself and we’ll answer your questions and teach you all you need to know! Grizzled veteran? Come hang out and chat about the finer points of robot design as we build around the table together!
Questions : pr@archreactor.org
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Weekly Open House
Weekly Open House
June 15, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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AR Build Out Night!
AR Build Out Night!
June 17, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Butch Magnum
Info : Come help build out Arch Reactor into the kind of space we all know it can be! All skill levels welcome, we can even teach you some new building skills!
Project : With the Onset of Summer we are Going to Focus on the exterior areas. Clearing the weeds, Cutting back the Foliage that is encroaching. General Lawn care.
Questions : pr@archreactor.org
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Weekly Open House
Weekly Open House
June 17, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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Field Trip: Transportation Museum
Field Trip: Transportation Museum
June 21, 2025 10:00 am – 2:00 pm
National Museum of Transportation, 2933 Barrett Station Rd, St. Louis, MO 63122, USA
Host: Jonathan Leek
Location: The National Museum of Transportation
We are meeting at Arch Reactor at 10 am and will be at the museum by 10:30 am.
Come join us for our field trip to the National Museum of Transportation! Learn about the history of the trains, buses, and automobiles that move and shape the country while hanging out with the Arch Reactor crew.
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Woodshop Marathon
Woodshop Marathon
June 21, 2025 1:00 pm – 4:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Instructor : Alex H.
Info : The Purpose of this Class is to learn basic techniques for using Arch Reactor's jointer, planer, band saw, and table saw.
Required PPE:
- safety glasses
- sort sleeve shirt
Questions : pr@archreactor.org
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Weekly Open House
Weekly Open House
June 22, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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Dessert Cook-off
Dessert Cook-off
June 24, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Alex H.
Cost : Free
Info : Arch Reactor is hosting a dessert bake-off! Bring your best dessert-related dish to compete, or just come by to sample desserts and vote. Winners will be awarded in two categories – popular vote and judges’ decision. If you’re bringing a dessert, try to get to the space before 7PM so we can get all the desserts set up. This will also maximize your potential votes.
Required Items : Desserts optional
Questions : PR@Archreactor.org
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Weekly Open House
Weekly Open House
June 24, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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Board Meeting – Online
Board Meeting – Online
June 25, 2025 8:00 pm – 10:00 pm
Host : AR Board
Info : This is the Monthly meeting of the Arch Reactor Elected Board. At it we will have a general update from all attending board members. We will also discuss any pre-set topics that need to be covered before the Business meeting the following week.
This Meeting is Open to the Membership to attend.
Some of us may be Onsite at the space, Others may attend Virtually
In Person : 2215 Scott Ave, St. Louis, MO 63103
Online : Join the Zoom Meeting https://zoom.us/j/91001376829
Meeting ID: 910 0137 6829
Find your local number: https://zoom.us/u/acuUOPCjhu
Questions : pr@archreactor.org
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3D Printer Meetup
3D Printer Meetup
June 27, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Scott R./ Chadd G.
Info :
Whether you’re interested in printing for art, prototyping, manufacturing, or just fixing dishwasher soap lids, this is a meetup group where you can come get answers to your questions, help people new to the hobby, and show off your printer and its creations.
If you have a printer, bring it along, working or not, we would love to see and learn about it.
https://www.meetup.com/STL-3D-Printing/
Questions : pr@archreactor.org
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Friday Fire
Friday Fire
June 27, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Hunter G. Cost : Free, Open to Public
Info : Its a Fire on Friday I’ll bring a fire and you bring a chair. Do not bring magic ring to throw into the fire and recruit people to save middle earth
Questions : pr@archreactor.org
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June – Board Game Day
June – Board Game Day
June 28, 2025 12:00 pm – 11:45 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Frank K.
INFO : Come On Out, see the space, and Play games With us. If you don’t know games that’s OK we are friendly and love to teach. If you do, bring your Favorites along and lets get a Game in.
We’ll have Food there, and I’ll happily take Money in exchange for letting you eat all day. 15$ for adults (over 18) 10$ For kids (Under 18)
We start at Noon and Play until you Leave or after Midnight, whichever comes last. 🙂 Reach out if you have questions
Questions : Frank@kallal.net
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Weekly Open House
Weekly Open House
June 29, 2025 7:00 pm – 10:00 pm
2215 Scott Ave, St. Louis, MO 63103, USA
Come stop by and visit! Open build night to work on projects and hang out!
Tours available for new comers!
See more details
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