I did this on the first sunny day of spring. I hope you guys like it. 
nice idea and finished product <br>btw costruction steel rod is the short name is/normally called rebar aka reinforcement bar
Nice. Thank you for sharing. What did you use for the rubber strips? If your welder is a bigger 230 volt stick welder, bending the concrete reinforcement bar would be easier with a <a href="https://www.instructables.com/id/Make-a-carbon-arc-torch-for-your-220-volt-stick-we/" rel="nofollow">carbon arc torch</a> to heat the rods until red hot. I used mine a few days ago to make a horseshoe puzzle I promised to someone. I have attached a photo.
thanks Phil, <br>Your horseshoe puzzle looks awesome!!! I love the smooth bending that you did to them. <br> <br>As for my slingshot, I use the 6mm Black Square rubber. <br>I didn't really think of using heat to make the bending process easier when I made it. But i will sure do what you suggested for my next project.
Thanks. This was my 2nd such puzzle. The bends on the 1st were not as smooth. I learned how to move the hot spot along as I made the bend.
Beautiful build - nothin wrong with simple and practical. <br> <br>Good job.
thanks darrenhall, <br>I appreciate your comment.

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