WobbleWorks BluePrint Beta

The Free 3D Pen Classroom Solution

Turn STL files into printable 2D drawing guides for 3D pen lessons, classroom projects, STEAM activities, and student design work.

Upload an STL file, choose your scale and layout options, then generate a classroom-ready PDF blueprint that students can trace, build from, or use as a design reference.

Benefits for the classroom

  • Helps teachers turn 3D models into printable classroom activities.
  • Gives students a clear 2D blueprint to trace, build, and understand.
  • Supports STEAM learning, spatial reasoning, and hands-on design thinking.
  • Creates ready-to-print PDF guides from STL files in just a few clicks.

Support materials

Choose an STL file Max file size: 50MB No file selected
Lower number = finer detail. Higher number = fewer pages.
Adds margin around the output
1.0 = original size, 0.5 = half size, 2.0 = double size

Scale the slice to fit neatly within the page.

Combine all layers into a single page (contour-style view).