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Member Meeting
Member Meeting
April 1, 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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Private event — Butch hosting a social event
Private event — Butch hosting a social event
April 3, 2025 5:00 pm – 10:00 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 : Butch
Info : Butch 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 PowerPoint will be presented.
Area used : The Clean lab (main front room) will be in use during this event.
Questions re : sergeantatarms@archreactor.org
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Pysanky Egg Decorating
Pysanky Egg Decorating
April 3, 2025 6:30 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
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2600 Meeting
2600 Meeting
April 4, 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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Pysanky Egg Decorating
Pysanky Egg Decorating
April 5, 2025 1:00 pm – 6:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
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Pysanky Egg Decorating
Pysanky Egg Decorating
April 6, 2025 6:30 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
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Weekly Open House
Weekly Open House
April 6, 2025 7:00 pm – 11:00 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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Show and Tell
Show and Tell
April 8, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Bring a recently completed project to show off.
Host : Alex H.
Cost : Free
Info : TBA
Required Items : None
Questions : PR@Archreactor.org
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Work From AR
Work From AR
April 10, 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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Pysanky Egg Decorating
Pysanky Egg Decorating
April 10, 2025 6:30 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
See more details
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CNC Router Night
CNC Router Night
April 11, 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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Pysanky Egg Decorating
Pysanky Egg Decorating
April 12, 2025 1:00 pm – 6:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
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RoboMo Meeting @ ArchReactor
RoboMo Meeting @ ArchReactor
April 12, 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 Competition – Need Volunteers
Combat Robots Competition – Need Volunteers
April 13, 2025 10:00 am – 5:00 pm
49 Lawrence St, St Charles, MO 63301, USA
https://www.robotcombatevents.com/events/3890
Quad con – ST. Louis Comi Con Robot Smash
Organizers:
WHOS READY FOR ANOTHER COMI CON AND ROBOT FIGHT?
COMI CON in St. Charles Missouri (Near ST. Louis)
Quad Con Presents St Charles Comic and Toy Show – Special Presentation by SEMO Combat Robotics
Public viewing hours: 10-4
Where: Steel Shop Event Center, 49 Lawrence St St Charles MO 63301
Date: April 13- SUNDAY ONLY
Hours for competitors load in: 7am – 9:30am
All loading doors must be closed at 9:30am
Anyone arriving after 9:30 will have to pay $5 entry at front entrance
Please bring any foldable tables if you have any.
Plastic Antweight, Antweight, Beetleweight
We will highly enforce all safety practices and will follow the SPARC Rule set
Floor in both areana are painted wood floors: as always we will do our best to perfect the seam
7:30 Doors and pits open.
8:30 regerstation begins. Head to registration first to complete your forms and grab your safty checklist that will have to be completed to get on the brackets.
08:35 Safety check in opens
9:30 Check in closes, all builders should be in the building by now
10:00 Drivers meeting. All bots should be through safety. We will finalize brackets to be released after saftey meeting.
10:15 Fights begin.
Lunch – when applicable (TBD)
4 pm end time – we have to be out of the building before 7pm
Any one that is willing to help tear down is greatly appreatated as we will be goiing out for food after!!
Rules:
We will follow the basic SPARC ruleset. Full ruleset will be updated soon.
General Rules:
- No heat, fire, smoke, entanglement, or other weapons that do not fit the spirit of the rules.
- No weight bonuses for shufflers or other novel motion bots
- Bots will have 20 minutes between fights for repairs. This 20 minutes is per bot not per competitor, so if you bring multiple bots you might use up repair time while fighting with the others. We will give one 10 minute extension to each bot.
- 1 unstick per bot. We cannot promise that you won’t get stuck on the arena so be careful with your forks
- If your battery is exposed or outside your robot the fight will be ended immediately in a technical knock out (TKO)
- multi bots not exceeding the class weight when combined weight is okay, However – no shuffler bonus for any weight class
- Cut off Switch rule is not be enforced during this event. But look for this to be enforced in the future. Follow our Facebook or Discord for more inforamation on this.
Plastic antweight specific rules:
- Approved materials are 3D printed PET, PETG, ABS, PLA, and PLA+. This means that sheet ABS or cnc machined parts are not legal. If you have questions about a specific material’s legality then please contact the EO.
Format:
- Full Double elimination
- 3 minute matches (2 minutes matches may be decided at the start if we have a abundance of bots)
- Judging criteria will be 5-6-6 for aggression, control, and damage (Standard SPARC Criteria)
Bracket links will be posted before the event but the matches will not be finalized until 11:30pm on the event date.
Safety:
- Safety is the #1 priority for our events.
- All competitors will be required to wear eye protection in the pits and near the arenas.
- Batteries will be charged on a communal battery charging station and must be in a LIPO bag when charging.
- There will be a designated power tools area for drills, dremels, and soldering irons. Please remember to use proper PPE when using tools.
Teams must supply their own tables – venue is limited on tables for the Comi con vendors.
Chairs are available.
Spectator bleachers available for viewing
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Work In Progress Meetup
Work In Progress Meetup
April 13, 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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Pysanky Egg Decorating
Pysanky Egg Decorating
April 13, 2025 6:30 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103
Host : Diane S.
Cost : Suggested donation $5/egg
Info : Join us at Arch Reactor to learn how to make Pysanky/Ukrainian wax-batik eggs. We will be set up in the Classroom for 2 weeks, you are welcome to attend multiple sessions.
More information and a PDF explaining the process in detail is available at https://archreactor.org/project/pysanky-eggs
Pysanky, Ukrainian style wax-batik eggs, are decorated using whole, raw chicken eggs and hot beeswax melted over candle flames. This is not a craft for small, excitable children, though many children have successfully decorated beautiful eggs. Any child decorating will need to be closely supervised and assisted by a parent, please.
Additional Note : If you have a group of 4 to 8 people who would like a private class, please Contact Diane or email “PR” to make arrangements
Questions : pr@archreactor.org
See more details
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PBS E-Cycling Interviews
PBS E-Cycling Interviews
April 13, 2025 7:00 pm – 9:00 pm
Brooke Butler from 9 PBS will have an open interview for members who want to participate in a Q&A for repurposing and repairing home electronics and devices. If you have a repair or repurposing project, bring it with you! It may end up on TV!
Host: Gideon
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Weekly Open House
Weekly Open House
April 13, 2025 7:00 pm – 11:00 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!
April 15, 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 : -Remove foam on front folding door -Run new electrical outlet to drum sander -Hang blackout curtains on south windows -Build shelf for shop-vac permanent home -Shovel dirt from underneath the dumpster
Questions : pr@archreactor.org
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Friday Fire
Friday Fire
April 18, 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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Woodshop Marathon
Woodshop Marathon
April 19, 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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Combat Robots Meetup
Combat Robots Meetup
April 20, 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
April 20, 2025 7:00 pm – 11:00 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… Laser Etching
Intro To… Laser Etching
April 22, 2025 7:00 pm – 9:00 pm
Host : Frank K.
Cost : Free
Info : We will do a Brief introduction to the three types of Laser Engraving Machines (CO2 / Diode / Fiber) and their capabilities. In Addition we will cover the very basics of the software used for those machines, and use them as requested.
Required Items : None
Questions : PR@Archreactor.org
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3D Printer Meetup
3D Printer Meetup
April 25, 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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April – Board Game Day
April – Board Game Day
April 26, 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. 10$ for adults (over 18) 5$ 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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Planttech Jam Raspberry Pi Jam
Planttech Jam Raspberry Pi Jam
April 26, 2025 12:00 pm – 4:00 pm
Donald Danforth Plant Science Center, 975 N Warson Rd, Olivette, MO 63132, USA
Host : Gideon
Info : Join us for a Raspberry Pi Jam at the Danforth Center. We will set up a STEM table with an emphasis on Pi projects. Talk about the organization and what a hackerspace is in general. Answer questions about 3d printing and other STEM and Hobby activities.
Free Parking, tons of Fun, and Volunteer Hours for Volunteers!
Questions : pr@archreactor.org
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Intro to Heat Treating
Intro to Heat Treating
April 27, 2025 6:00 pm – 10:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Learn heat treatment techniques for carbon and alloy steels from Gideon. We’ll be learning how to use the gas forge and electric kiln to harden and temper steel, an essential technique for blacksmithing, bladesmithing, and fabricating.
Proper attire is mandatory. Please wear long pants and closed toed shoes. Natural fiber attire highly recommended for fire safety; students may wear synthetic attire, but they will be asked to watch and not participate in any hands on activities. This class is suitable for young students who are excellent at following directions and are comfortable around intense open flame. Recommended 12 and up.
Students wanting to learn how to heat treat a specific steel or a specific piece may contact Gideon via Discord or the AR PR email ahead of the class. If possible, we will heat treat up to two students’ items.
Contact for additional information at:
directorofpublicrelations@archreactor.org
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Weekly Open House
Weekly Open House
April 27, 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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Silhouette Cameo Class
Silhouette Cameo Class
April 29, 2025 7:00 pm – 9:00 pm
Arch Reactor, 2215 Scott Ave, St. Louis, MO 63103, USA
Host : Derek S.
Cost : Free
Info : TBA
Required Items : None
Questions : PR@Archreactor.org
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Weekly Open House
Weekly Open House
April 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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Board Meeting – Online
Board Meeting – Online
April 30, 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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