HOW TO VISUALIZE LEGO 3D INSTRUCTIONS FOR STUD.IO FILES
BuildIn3D could visualize the animated and interactive 3D instructions for Stud.io files. You can develop your LEGO creations and instructions in Stud.io and upload them to BuildIn3d.
To visualize the instructions you must save the file in Stud.io as a .ldr file. This could be done form File->Export As->Export as LDraw…
.ldr is a more standard file format for the LEGO community. Stud.io is a proprietary format. When you convert the instructions as .ldr file you can upload the .ldr file to BuildIn3d.