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Scraper Handle for Matte Style Blades

by canadaduane, published

Scraper Handle for Matte Style Blades by canadaduane Oct 29, 2011
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Summary

This is a handle / blade holder for matte style blades, turning them into less dangerous and mostly useful 3D printer build platform scrapers.

I have a bunch of replacement blades for my razor (what I've called an X-Acto knife up until now :), and I had begun using one as a "scraper" for getting things off the build platform of my Ultimaker. Like Suavepotato mentioned in his description of "Razor Blade Holder and Scraper", "I do not like using a naked blade." (http://www.thingiverse.com/thing:3090)

Update: I've added a "guard" perimeter around the blade as nostarman suggested, and made the base of the handle rounded and IMO more aesthetically pleasing.

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What size screws are used? Can we just print the screws and nuts?

I believe they are 5mm M3 screws (and M3 nuts). M3 is the diameter of the screw's shaft and "5mm" is the length of the shaft. The screws I used are flat or button head hex socket screws.

Thanks for the quick response bud!

Thanks for the idea , I just made one and work very well.

Just made one, thanks for the design. Also, I made a blade guard to cover the sharp edge when not in use (http://www.thingiverse.com/thing:376133)http://www.thingiverse.com/thi...

Scraper Blade Guard
by MRB0216

I said to myself, "Gee it would sure be nice to have a handle so I don't have to hold the naked blade. Maybe I can make one! Maybe someone has already made one... "  This is really, really cool -- think of something and it appears! Maybe they should call this "Thinkiverse"...

lol! I'm glad you found it. If you make a better one, I hope you'll let me know :)

Hey i made one too and i also glued the blade onto it instead of using screws. I used UHU plus 300kg epoxy (http://www.uhu-profishop.de/products/en/2-Component-adhesives/UHU-plus-300-kg-epoxy-tube-binder-tube-hardener-33g.html)http://www.uhu-profishop.de/pr... that needs about 24 hours to harden but really sticks hard and you don't need to mess around so much with it.

awesome! Simple and so effective...can't believe how much easier it is to get things of the platform with this. I epoxy'd a blade to the scraper :)

Thanks

I love this scraper. It's changed the way I remove items from my HBP.

I don't use screws to hold the blade though. I have a jar of acetone/ABS which I dip a piece of scrap filament in, and then smear some on the mating surface of the plastic. I press the blade into place and smear a bit more liquid ABS along the top edge of the blade, covering the mounting holes. A
bit of clamping and drying and it works like a champ.

This solves the problem I had with the screw heads bumping the print surface as I try to work the blade underneath the fresh parts.

Cool solution! Thanks for sharing. Now if I could find acetone in my office...

I made one and this is a great idea. I hate using a nakid balde too. The only problem is that the two bolts are not keeping the blade in place very well. The blade wants to pivot in on one of the bolts. I didn't have the blade slip off because the second bolt prevents that but a ridge at the end of the blade might fix the problem.

I just uploaded "version 2.0" of the scraper. Give that a go and see if it improves the blade stability.

Great suggestion! While I haven't had the problem with mounting that you have, there's been a question at the back of my mind about whether or not it's safe to apply pressure when the blade could possible slip (rotate). I'll see if I can add that.

Nice! For future reference though, I think those would probably be called matte knife blades. X-Acto blades are the pen knife style blades that go in a handle with a collet on one end.

Ah! I guess I've been calling it the wrong thing for most of my life. Thanks :)

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