Materials:
1/2 diameter Rebar
1/8" thick steel washer or discs (in this case Ryan used the water jet to cut them out of some angle iron I found)
Machines Used @ TechShop San Jose:
WaterJet
Hot Saw
Mig Welder
Fixture table (welding table... that I cleaned after I was done BTW)
Bench Grinder
Pedestal Disc Sander
Hand Tools/misc items used:
Hammer (just in case... hammers can fix anything!)
Vice grip
Tape measure
Welding Helmet, gloves, general protection
Fixture/hold down (magnet and clamp)
Safety glasses & ear plugs too!
Skills Required:
Awesomeness
Mad welding skills
Grinding/Sanding Action
(Someone who is signed off on the waterjet already since I want to make it yesterday!) Thanks Ryan.
All done @ TechShop San Jose!
http://www.techshop.ws/ts_sanjose.html
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Signing UpStep 1: Didn't have washers or discs handy... so waterjet time
He had to rig some clamps to get it done.
Afterwards it was a few simple taps with a hammer to get them free.








































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My comments to follow are in no way a criticism of your idea, or your instructable (I really hate it when people rag on an author here).
I just wanted to share another idea that I've been using for years to hold down tents, canopies, and event those big airblown yard displays.
Found these at the dollar store.
hahaha
people you need to go to elementary school
http://images.lowes.com/product/converted/764666/764666149618lg.jpg
I hit my goals for the project...
1. Make my first instructable!
2. Play Volleyball that day
3. Spend less than $5
4. Use recyclable materials and/or repurpose materials
5. Make something cooler than the norm!