[Dprglist] Creating a line following course (or a line maze)

Sun Jan 17 16:35:17 PST 2021

one new idea I had for a line maze is to use 6" spacing and blank masking
tape on these white foldable cardboard presentation boards:

https://www.staples.com/Elmer-s-White-Corrugated-Display-Board/product_302919?ci_src=17588969&ci_sku=302919&KPID=302919&cid=PS:GS:SBD:PLA:OF&gclid=Cj0KCQiAtqL-BRC0ARIsAF4K3WF_jGRi2HCteqMEhZIXlTuSshVE2DmYSLGaS1rP-mFlLDvPe_WZlggaAvr7EALw_wcB

tape:

https://smile.amazon.com/dp/B00DVAWA7M/?coliid=IFPL4VSVSO3LQ&colid=2NDVLRDKF1ORA&psc=0&ref_=lv_ov_lig_dp_it

Ralph

>+<
 |    /\
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 [_ at _]   `<
 O O O          DL Robotics!
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In the twenty-first century, the robot will take the place
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 -- Nikola Tesla
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On Sun, Jan 17, 2021 at 2:04 PM <dprglist-request at lists.dprg.org> wrote:

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>    1. Re: Creating a line following course with tape on wood floor
>       - safe for the floor? (Patrick R. Michaud)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 17 Jan 2021 10:23:57 -0600
> From: "Patrick R. Michaud" <pmichaud at pobox.com>
> To: Murray Altheim <murray18 at altheim.com>
> Cc: dprglist at lists.dprg.org
> Subject: Re: [Dprglist] Creating a line following course with tape on
>         wood floor - safe for the floor?
> Message-ID: <20210117162357.GA16438 at pmichaud.com>
> Content-Type: text/plain; charset=us-ascii
>
> FWIW, my robotics team purchased a set of these foam tiles to use in their
> "pit area" at the World Championship in 2019:
>
>    https://www.amazon.com/gp/product/B0752RB9X8
>
> $86 for 48 sq-ft (12 tiles), or about $7 per tile.
>
> We got the "light bamboo" color.  It improved the look of our pit area
> considerably, plus after 2-3 days of standing/walking on hard concrete
> floors it was really nice to have a cushion-y area to stand on.
>
> The underside is just the foam -- no printing -- so would likely work well
> for a robotics course.  There are 3/8" and 1/2" thickness tiles available
> also, which are considerably less heavy and less bulky but don't stand up
> to heavy traffic as well.
>
> More importantly for our case, we were able to get them with Prime
> shipping (free!) in time for the event.  We had looked for local sources of
> these -- there's even an outlet of sorts near Frisco that I visited, but
> they couldn't get them to us any faster/cheaper than Amazon.
>
> Pm
>
>
> On Sat, Jan 16, 2021 at 10:36:27AM +1300, Murray Altheim via DPRGlist
> wrote:
> > On 16/01/21 9:10 am, Patrick R. Michaud via DPRGlist wrote:
> > > [...] So to echo Karim, I always use gaffers tape in these floor-taping
> > > situations, but it's not a perfect solution.  I'd be reluctant to tape
> > > my hardwood floor directly, but I also have other options (foam tiles
> > > etc) that I can use to create a robot playing surface.
> >
> > An expensive fix to a damaged wood floor due to tape seems like an
> > avoidable situation.
> >
> > On the subject of foam tiles, I just checked our local hardware store and
> > they sell black, interlocking 24" square foam tiles for about NZ$9/US$6
> > per square meter. It looks like KMart sells a four-pack of them in four
> > colors for $12, a four pack of the black ones for $11. You pay extra for
> > color.
> >
> > In the US, where everything is more available, I checked foamtiles.com
> > (flooring geeks!) in Meza, AZ, and they sell tiles with rubber tops,
> > carpet tops, wood patterns, and martial arts mats (e.g., 2x2' US$7.56,
> > 3'x3' US17 per tile). Male or female beveled edge, beveled corners, lots
> > of options. It looks like the low end of their line of interlocking tiles
> > runs about US$1.20/sq. ft, e./g.
> >
> >   https://www.foamtiles.com/interlocking-tile/foam/12-eco-soft-tile.html
> >
> > They're don't ship outside of the US so I'd have to find a different
> > supplier, but it seems these foam tiles are not hard to source.
> >
> > So maybe the easiest solution is to use these interlocking foam tiles.
> > They'd provide good traction and could be taken apart and stored when not
> > in use. White tape on black tile would do fine. Or black tape on pink. It
> > would even be possible to print out the DPRG line following course, spray
> > glue it to a set of tiles, then laboriously cut the zig zags with an
> xacto
> > knife. But I'm not suggesting anyone tackle that -- it seems a particular
> > sort of torture. But there's a solution to that too, though I have no
> idea
> > what it'd cost: custom mats from SoftTiles.com:
> >
> >   https://softtiles.com/pages/corporate-projects
> >
> https://i.shgcdn.com/23d74f3e-4e97-4830-a95a-c01c83aefcc6/-/format/auto/-/preview/3000x3000/-/quality/lighter/
> >
> > [Legal Notice: I hold no fiduciary interest in foamtiles.com or any
> other
> > foam tile wholesale or retail establishment.]
> >
> > I might see if they sell these at the local KMart here in NZ. Two four
> > packs would be the size of a sheet of plywood and cost about $22.
> >
> > Nice solution.
> >
> > Cheers,
> >
> > Murray
> >
> >
> ...........................................................................
> > Murray Altheim <murray18 at altheim dot com>                       = =
> ===
> > http://www.altheim.com/murray/                                     ===
> ===
> >                                                                    = =
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