Tuesday, Nov 18th, 2014

Diane has created a handy cheat sheet for laser engraving into wood.  

Tuesday, Oct 7th, 2014

It's somewhat effective...

One of the members at the space was working on some circuit boards, but they were taking a long time to etch because there was no agitator (being just a tupperware bowl and some muratic acid rather than a proper etching tank). He was walking over to the bowl every few minutes and giving it a swirl. Deech came up with a unique solution.

Deech noticed our faithful little brush bot. (This guy: http://www.amazon.com/Toysmith-4574-4M-Brush-Robot/dp/B002EWYEHW)

He was a toy that a well meaning relative gave Deech for a small gift, which was put together and left at the space for giggles.

Turns out, without the brush, he hooked perfectly over the rim and happily ran around the edge, setting up nice standing waves in the bowl and causing the board to rotate slowly. In short, he worked like he was designed for it. Plus, googly eyes.

Wednesday, Aug 27th, 2014


  • Fastest Lap - George with a 20 second time
  • First to cross finish line (all racing at once) - George
  • Endurance (Most Laps) - Niels won with 10+ laps and he most likely could have gone further but we stopped it.
Tuesday, Aug 12th, 2014

Ben Nuttall of the Raspberry Pi Foundation will be visiting Arch Reactor as he continues on his journey from NYC to Salt Lake City!  Ben is visiting various hackerspaces, schools, and other community spaces for his 2014 US Tour.  Bring your Pi projects to show off and learn more about the Raspberry Pi.

Come join us Friday, Aug 15th for a night of Pi and cookies.

Wednesday, Jul 16th, 2014

Chris has completed our new Shapeoko and run a few test jobs.  On July 29th we will have a Shapeoko Workshop night where we will do training.  That night we will teach you how to use design software like Easel to produce a simple bottle opener.


Subscribe to <none>

Upcoming Events


  1. Hack Something!
  2. JUFF Tour

Tuesday, August 4th

  1. JUFF Tour if needed
  2. Business Meeting

Friday, August 7th

  1. 2600 Meeting
    • Start time: 06:00pm
    • End time: 10:00pm
    • Arch Reactor is proud to host the only St. Louis 2600 meeting. More details about 2600 can be found at http://www.2600.com

      All 2600 meetings are open to the public. Contact stl2600.org

    • View this event in Google Calendar
  2. First at Science Center

Sunday, August 9th

  1. Hack Something!

Tuesday, August 11th

  1. Ryan's Birthday Potluck

Visit Us!

Come check out the space at one of our regular Tuesday meetings, year-round. Tuesday meetings are always open to the public, and generally begin at 7:30 pm.

Space Status: 

About Our Hackerspace

Arch Reactor was founded in 2009 by a group of friends who liked technology, programming, making, and pizza. Now St. Louis' largest hackerspace, Arch Reactor's growing membership continues to bring new skills, projects, equipment, and people to one place.

For a deeper understanding of what we're about, you should check out our explanation of hackerspaces, perhaps read about one of our members' projects, or (best of all) come meet us in person at the next open event!

Or log in with...