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ladyronnie

my own octagon stepping stone mold!

19 years ago

I have been wanting to make some octagonal stepping stones, but am too cheap to buy them already cast, and REALLY too cheap to pay $25 for a plastic mold. So, I figured, Hey, I'm smarter than a table saw and some screws, I can do this! So I did. Here's how:

I cut eight 1x4's each six inches long. I didn't need my mold 4 +/- " deep, so I cut them all down to three inches wide. Then I made a 22.5 degree bevel on both ends of each one:

My boards weren't EXACTLY the same length, so my "stop sign" shape was a little wopperjog when I put it together for a dry run (but not as bad as it looks in the photo. The table has a clear plastic cloth that wasn't laying flat.)

I put two screws in the LEFT end only of each section, just to where the screws came through, and at an angle so they'd go pretty straight into the piece to their left. Then I screwed the hold thing together. I didn't take a picture at this point, but just imagine the above screwed together and looking pretty good :)

I measured the width of my mold, and found I needed a base about 15 inches across, so found a piece of 3/4" plywood, and cut that to a 15" square. I placed the mold on it, traced around the mold, then put screws partway in all the way around just inside my trace line.

I centered the mold under the base (by feel) then screwed it all down. Then I flipped it over, and voila'!

Whaddya think?

Comments (14)

  • 19 years ago

    Aren't you a smarty pants. :)
    How do you get it out after it's set, line with plastic?

  • 19 years ago

    Thanks, LILY. I have read in several places (including mosaic books I got at the library a couple days ago) to line the mold with petroleum jelly. So I bought two of the economy sized jars. (I think the cashier's eyebrows jumped just ever so slightly as she rung those up...;)

  • 19 years ago

    Ladyronnie: I just LOVE this shape and your creative idea behind it! Just don't toss it out when you are done with your mold. It is way too pretty. I think you could fill it with dirt and use it as an herb planter or something, don't you think? Of course after your stepping stones.

    Just love it!!

  • 19 years ago

    I'm impressed! I'm most certainly NOT smarter than a table saw and some screws. I've also read to line the mold will petroleum jelly. I Can't wait to see the first results...

  • 19 years ago

    Way to go Girlfriend!!! So how wide is this now? Usually I see mold and it's out with the bleach, but this mold can hang around my place any day!! Hee Hee!!!

  • 19 years ago

    Hey, JANIE BO! Glad you're up to posting! The inside measure is 13" (ok, 12 3/4" to 13", depending on where you you measure! But it's close enough to symmetrical for a stepping stone!) Yeah, I have some of that "other" kind of mold around here too. Just never have been able to figure out how to make concrete stick to it!

    MANGO: "Toss it out"??? Are you crazy? I don't toss hardly anything that might live to see another day or use somewhere! Actually I hope to make a bunch of stones to sell also, so it should get a lot of use.

    GREY: Oh, I betcha could do it if you have the tools available. I just had to go online and find out what angle the cut had to be to come out right, that's where I got the 22.5 degrees. Which I think was a bit inconsistent with our table saw, but it worked good enough.

  • 19 years ago

    Uh huh, that's what I wanted to know - how you figured the angle... google is our friend! lol

  • 19 years ago

    NT: I COULDA gotten it on my own if I'd taken my calculations one step further. I figured, ok, there are 8 angles, 360 degrees in a circle, 45x8=360, so every angle ought to be 45 degrees. But when I set the saw angle at that, it looked way too steep, and I thought, Two 45's make a 90, that can't be right. So THEN I googled it, and got the 22.5 degree figure. BUT each angle is made up of TWO sides, and 22.5x2=45. I'da had it if I'da just split my 45 degree figure between the two sides. But it was a lot easier to EXPLAIN just saying I googled it, without the process! Had I googled it to start with, I wouldn't have done ANY of the math! But don't tell my kids that!!! LOL

  • 19 years ago

    Very nice work! LOVE how you take things and run with them! Thanks for sharing info. too.

    Hey Janie, glad you are feeling up to joinin' in the fun today!

  • 19 years ago

    Thats great! I was discussing with my sweetie this afternoon about making a mold out of wood for my birdbath. He said that I wouldn't need to coat it with vaseline because concrete doesn't stick to wood. (I think I will anyways though, to be safe.)

  • 19 years ago

    Hey Bama, the moisture in the concrete will swell the wood and it'll be hard to remove. Either coat the wood and or seal it up well and you will be far happier,
    Cindy

  • 19 years ago

    Thanks for that info Cindy!!

  • 19 years ago

    This kind of math boggles my mind, and so does your ingenuity, LADY. Soooooo clever and creative.

  • 19 years ago

    Lady I forgot to say, cool mold, you did awesome,
    Cindy

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