You can 3D print the bricks using opaque filament on almost any desktop 3D printer. The 3D printed parts can be downloaded with the link below. If you don’t have a 3D printer, the files are free to download so can send them to a 3D printing service.
You can easily update the size or add features by editing the Fusion360 designs. The sketches are all listed in the timeline, so it's easy to adjust the size to each component.
The LED brick was designed in Autodesk Fusion 360 and designed to print in PLA filament. The parts were 3D printed using the BCN3D Sigma and Micro M3D. If you don’t have access to a 3D printer, you could use a service like 3D Hubs to make it for you.
Depending on your 3D printer, you may need to adjust the slice settings. We tested the enclosure on a BCN3D Sigma. The legoBody.stl part will require support materials. The parts are oriented to print "as is".
- Nozzle: 0.31mm
- Extrusion Multiplier: 1.0
- Extrusion Width: 0.39mm
- Layer Height: 0.2mm
- Nozzle Temperature: 225c
- Print Speed: 60mm/s
- Brim: 6mm
Supports, Brims & Walls
The legoBody.stl will require supports to support the LED, battery and screw mounts .
Make sure to disable "dense supports" and vertical upper and lower separation layers to make the supports easier to remove.
We added pillars with a resolution of 2mm to the middle under the walls that hold the parts in place. Add the pillars so they can support the corners no the walls.
If you encounter lifting on the corners, we'll need to add a brim to hold down the part. We used no heat and blue painter tape and a 4 brim outlines around the part.
We'll want the walls of the brick to be really strong by making sure gaps between them are solid (no zig zags inside the gaps). We had to adjust the nozzle diameter and extrusion width to make sure no "zig zag" paths are inside the wall gaps. Always preview tools paths before printing to insure no strange paths are created.