Buildin3d is the fastest way to prepare instructions. NO more PDFs. We support practically all LEGO parts and we show the CABLES!

You can easily protect your IP and securely sell, distribute, and track instructions.

We support LDraw files created by LDCad, Stud.io, MLCad and if you write to us at team [at] buildin3d [dot] com we can even try to import some LEGO Digital Designer files (yes, that’s how long we’ve been around)

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Easiest way to create steps and rotations

It took one of our authors 3 minutes to configure the camera rotations & zoom using only the mouse for a 50 steps model. The IS Editor used in Buildin3d and available on the instruction dashboard provides you with everything you need.  

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LIVE 3D Animations bring your LEGO models to live.

Inspire the user imagination with a picture of the construction, a video render and a live 3D animation and bring your LEGO models to live.

SEE IT LIVE ON THE LAST STEP

Show cables in LEGO Robots.

Finally a way to properly display cables. Again you set the start and end and we handle the rest. You can show the cables in NXT, EV3, SPIKE and probably all kinds of cables. 

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