A physical reference tool for students learning CAD and 3D printing.

It helps turn dimensions on a screen into something you can actually see and touch.

Includes:

• 200 mm ruler

• Hole diameters

• Wall thickness

• Gap / slot width

• Text sizes

• Fillet vs chamfer

• Relief & engraving depth

Keep it next to your computer while designing and quickly check what different dimensions will look like when printed.

Print at 100% scale. No supports required.

Update: The spelling error in “Relief” has been corrected in the latest version.