This is a free online CAD tool to create custom LEGO® Technic compatible construction parts for 3D printing.
| 1 2 3 4 5 6 | set type |
| x y z | set orientation |
| ← → ↑ ↓ PgUp PgDown | move cursor |
| Del, BkSp | remove block |
You can find the source code for this project on Github.