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Thread: Suggestions for 1st laser cut project?

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    Default Suggestions for 1st laser cut project?

    I'm taking a laser cutter class on Monday at our library. Looking for a suggestion for a sample project, such as a panel of bricks or stone. Freeware would be good.
    Cheers!
    Gordon
    Rheinland Bayern Bahn
    http://www.nscale.net/forums/showthr...4-x-9-5-layout

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    Bricks would be good. Maybe a slightly different pattern.

    But how about a little structure?

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    What about this?



    Three billboards, two of an older size one modern. The letters can be used instead of a printed ad, for a roof sign.

    Here's some printed signs that fit. Both sizes also fit commercial frames.
    http://www.nscale.net/forums/album.php?albumid=744

    PM me if you are interested in a DFX file. I can output other formats. The size is letter size paper.
    Use what you know about the world to model…
    Learn from modeling what you don't know about the real world.



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    Check out Thingieverse or Instructables for some first projects. You might want to cut out some simple things first and then try some laser engraving. Once you build up your skill set try some scale things.
    Cheers eh!

    Todd

    I am always doing what I cannot do yet, in order to learn how to do it.
    Vincent Van Gogh

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    Flatcar decks?
    Did someone say whitcomb?

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    I second @tossedman - start simple, go complex later. Something simple yet useful is a good starting point. Not sure about the sites he mentioned but here's an example from today:

    Laser.jpg

    Grade crossing (attempt). I'd created the basic shape seen in the lower left corner with the intent of having the lighter lines etched and the darker lines cut. Final product would be three pieces total. As part of the learning curve, this was done using 1/16" basswood and the laser ended up cutting everything, not etching. So... fortunately the individual parts are still usable, but I'd not intended to follow the prototype so closely that I'd build my grade crossings piece by piece.

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    Looks good! Country road crossing?
    Cheers!
    Gordon
    Rheinland Bayern Bahn
    http://www.nscale.net/forums/showthr...4-x-9-5-layout

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    First, how's the class going?

    Second, while you ask for random projects, what do you need for your current layouts?
    Use what you know about the world to model…
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    Quote Originally Posted by el Gato Gordo View Post
    Country road crossing?
    That was the thought. I'm not sure if the NP used wood or concrete for mainline grade crossings in the late 1960s; eventually I'll have to find out.

    The more successful part of yesterday's laser cutting is seen below:

    Trestle.jpg

    I cut enough parts that the one I've been building is purely for learning: as an example, I attempted to cut sway and cross bracing out of 1/16" material. This was an abject failure as they ended up bending and aren't very responsive to super glue. I'll be adding in 1/16" square sway and cross bracing to see how that looks (the laser cut stuff was closer to prototypical thickness and 1/16" square is too thick). Eventually I'll go back and build the layout trestle. The stringers were cut out of 1/8" thick basswood and between the larger dimensions, thicker material, and connections on both ends, came out pretty well. One thought would be to go back to the smaller braces and try adding a support on the unsupported end.

    -Sam

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