[islandlabs] Prototyping Materials

[Burns, William]

The benq seems pretty cheap for a short-throw projector. 

One thing I noticed was that the Sanjo PLC-XL50 + PLC-XL51 appear to be
a normal-ish projector attached to a huge magical asphyrical-mirror
periscope kind of box.
http://us.sanyo.com/Projectors-Products-by-Category-Ultra-Short-Throw
I wonder if one of us is enough of a geometry whiz to be able to whip-up
such a thing.

http://www.nextag.com/Sharp-XR-30S-Compact-549535854/prices-html

http://www.nextag.com/Sharp-XR-30X-Multimedia-549535855/prices-html

http://www.nextag.com/BenQ-MP512-ST-Projector-615167297/prices-html

Refurbished Sharp XR-11XC-L
http://www.consumerdepot.com/productstd.asp?id=58545F&referer=google



There's an issue (apparently) w/ using any kind of an LCD display,
though.
Some people claim that MAME games sometimes want to use weird resolution
displays, and "dedicated" MAME hardware sometimes changes the display
resolution to match what the original game called for.

An LCD panel may trim part of an image, letter-box it, or otherwise not
perform seamlessly or well under these circumstances.

-Bill

> -----Original Message-----
> From: list-bounces at islandlabs.org 
> [mailto:list-bounces at islandlabs.org] On Behalf Of Peter Williams
> Sent: Friday, February 27, 2009 1:57 PM
> To: [Island Labs]
> Subject: Re: [islandlabs] Prototyping Materials
> 
> One of the arcade machine designs we considered Wed consists 
> of a "control pedestal" with enclosed MAME box that projects 
> the image onto a wall in front of you. Advantages include 
> being smaller and lighter than a full-size arcade machine, 
> but still providing room for up to 4 players.
> 
> One question is where to find a cheap projector that displays 
> a large image onto a wall only a couple feet in front of the 
> pedestal. It turns out these are called "short throw" projectors, e.g.
> http://www.newegg.com/Product/Product.aspx?Item=N82E16824014178
> 
> Of course that one isn't cheap, so if anyone has any ideas 
> they'd be appreciated
> 
> -Peter
> 
> On Thu, Feb 26, 2009 at 8:06 PM, Jonathan Dahan 
> <jedahan at gmail.com> wrote:
> > I got some advice from a friend who makes furniture for a 
> living about 
> > prototyping and some we learned about last night.
> >
> > Most of the time, a scale model is just as difficult and time 
> > consuming to prototype as a full size. What you save is 
> space and materials cost.
> > Cardboard is cheap and great for prototyping, especially 
> when you are 
> > just exploring dimensions, angles, feel etc.
> > Styrofoam also works well and is easy to cut, but less durable.
> > Plywood + a few screws + gorilla glue is great to test how sturdy 
> > something will be at the full thickness.
> >
> > - Jonathan
> >
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