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Curved LEGO Brick

by stevemedwin, published

Curved LEGO Brick by stevemedwin Dec 2, 2014

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Summary

Continuing in my quest for more organic shaped LEGO bricks, I designed this curved brick in Fusion 360. If the traditional bricks are rectangular, then this brick is polar, since the design is based on a radius (eight studs) and angle (30 degrees). It was only when I printed a bunch of them and started playing with different designs, did I realize the potential of curved bricks.

Instructions

Designed in Fusion 360, sliced in Simplify3D, printed on a MakerBot Replicator2 with Elmer's Craft Bond glue stick on a glass build plate with PushPlastic filament and the following settings:

Infill = 20%
Layer height = 0.2
No. shells = 4
Feedrate = 40
Travel Feed = 55
Temperature = 220C

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Pieces don't fit together.

How does the height of these compare to standard LEGO bricks. Mine seems to be a mm or so too tall, other than that it seems to stack with LEGOs better than it does itself.

For your PushPlastic filament are you using abs or pla?

I am printing mine using HATCHBOX pla.

The height is the same as standard LEGO bricks. I printed mine in PLA. They stack fine together (with a little push) and with LEGOs. If you want to tweak the design, check out the OpenSCAD version here http://www.thingiverse.com/thing:578754
You can then adjust the size slightly (by editing the file directly) to work better with your material and printer settings.

Customizable Curved LEGO Brick

Thanks,

I printed another (using the same design but from your Construction Kit, http://www.thingiverse.com/thing:603760/), using your settings and no raft, it turned out a lot better and the correct height.

Thanks for the cool design!

Curved LEGO Construction Kit

Any chance you could make a 2x2-stud and 2x4-stud version? :)

I started working on a customizable version. What range of sizes do you think it should cover?

I'd say 2x2, 2x3, 2x4, and 2x6 for starters. :)

Very nice. I like how you made the bottom of the pieces (if one attempts to 3d print a "standard" lego piece, the bottom usually ends-up wrong).

I noticed that too. I don't have a 3D printer at home so I go to the new cannon library (but not anymore) and I noticed some Lego bricks, that didn't work right.

I figured it would get too complicated if I tried to do the bottom studs on a curve.

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