Lego 3D Printer 3.0

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About: My name's William and I love robots and everything regarding automation. I also enjoy music, drawing and debating.

Intro: Lego 3D Printer 3.0

Hi there!

A few months ago I've built the 2nd version of my Lego 3D Printer, and today I'm going to show how to build the 3rd version.

Step 1: Watch the Demonstration Video (optional)

Step 2: What You'll Need (for the X and Y Axis)

Step 3:

Step 4:

Step 5:

Step 6:

Step 7:

Step 8:

Don't forget the Lego doors for equilibrium

Step 9: What You'll Need (for the Z Axis)

Step 10:

Step 11:

Step 12: What You'll Need (for the Extruder)

Step 13: Don't Forget the Gluegun AND the Paper Clip

Step 14: The Extruder Should Look Something Like This

Step 15:

Step 16:

Bend the paper clip in a way that it partially stuffs the hole of the gluegun nozzle. This will allow for a more controlled extrusion process.

Step 17: Voilà

Step 18: Tipp

Use elastic bands to strap the paper (on which you'll print) to the moving platform

Step 19: The Result of My Test Print

Step 20: The Mindstorms Code I Used for My Test Print

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    19 Discussions

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    carvedblock

    7 months ago

    The metaphor of a 3D printer being a CNC glue gun has been floating around for ages.

    I think it's brilliant you made a 3D printer with an actual glue gun!

    Thank you for making the metaphor real.

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    Nonametruck

    1 year ago

    Mindstorms are too expensive to use in this way. I just checked price for a set $300.00+ per set. your printer with glue gun is very neat and I enjoyed your videos. If I am wrong on price I am sorry was just what I found on their web site.

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    Lefkoff

    2 years ago

    Do you have a parts list? Pictures reall don't help when trying to ID Lego parts

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    W1ll14mThe NerdyN

    Reply 2 years ago

    The point of my 3D printer was to be made in the simplest way possible, using cheap material (although I admit the Mindstorms brick isn't very cheap)

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    The NerdyNW1ll14m

    Reply 2 years ago

    they only cost $20 or so you can actually 3d print objects with printer fillmient

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    The NerdyN

    2 years ago

    also, you might not want to make other accounts and comment yourself. (It doesn't look to good)

    3 replies
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    The NerdyNW1ll14m

    Reply 2 years ago

    :) (i dunno the comment "This looks awesome. I never knew you could actually do something like this... keep going, because I think that if you use the mindstorms 3.0 with this one, it would look awesome!" -WilliamR79

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    W1ll14mThe NerdyN

    Reply 2 years ago

    In the anglophone world, there are millions of people called William. So one of these several million people commented my printer. So what?

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    The NerdyN

    2 years ago

    ookkkkk...... that my friend, will take Forever

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    brightled

    2 years ago

    The tip is to far off the surface,way too much glue is being pushed out of the gun,and speed up the motion to reduce the thickness,you my want to mod the tip by using a fine ball point pen tip with the ball drilled out,insert this into glue gun tip use a bit of hi temp epoxy to hold the tip in the glue gun tip

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    WilliamR79

    2 years ago

    This looks awesome. I never knew you could actually do something like this... keep going, because I think that if you use the mindstorms 3.0 with this one, it would look awesome!

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    WilliamR79

    2 years ago

    This looks awesome. I never knew you could actually do something like this... keep going, because I think that if you use the mindstorms 3.0 with this one, it would look awesome!

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    mchau2

    2 years ago

    this is a crazily experimental project! maybe benefitial to print in larger scale to compensate the lack of control and resolutions... total thumbs up!

    3 replies
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    ThomasK19ZacharyJ11

    Reply 2 years ago

    lol - I had just the same idea. But I guess the resulting output would still be to thick to be really useable. However, an awesome build. Lego is marvelous.

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    ZacharyJ11mchau2

    Reply 2 years ago

    Sorry. *If it wouldn't interrupt your your use of your hot glue gun, you could try making a cone of sheet metal just as large as the glue gun tip and snipping the very top of it off so you had a very precise nozzle and welding it to the glue gun.