[hackerspaces] Tips on making passport stamps?

[Dave Menninger]

At Hive13, we made our stamp with our 60W laser cutter by engraving linoleum
blocks.  They turned out pretty well:  http://www.hive13.org/?p=395

If anyone has a 60W laser, these are the power settings we used:
http://wiki.hive13.org/Laser_Settings#Speedball_Linoleum_Block_.283mm_thick_Linoleum.29

~Dave


On Fri, Sep 30, 2011 at 5:37 AM, Martin Ling
<martin-hackerspaces at earth.li>wrote:

> Hi,
>
> Now that Mitch's passports are everywhere and our space has just voted
> on a new logo, it's about time we made a stamp. But how to fabricate
> one? I googled around for what other spaces had done and all the ones I
> saw just did a design and sent it out to a commercial stamp manufacturer.
> That doesn't seem very hackerspacey to me.
>
> So, does anyone have tips to share on making your own? What materials
> work best, just rubber (what sort?) or something else? We have a CNC
> mill and a 40W CO2 laser cutter/engraver. Can you mill rubber without
> just making a mess, can you laser engrave it deep enough to create a
> usable stamp, if so what sort of settings did you need? Or is there a
> way more low-tech process for spaces without these tools to use, that
> still gets great results?
>
> Tips welcome, then I will run some experiments and post our results.
>
>
> Martin
> _______________________________________________
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>
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