Tactile ruler (30cm)

Print ruler and labels, then glue labels into place. Make sure to print braille pieces with braille on a vertical face. If multiple filament is an option, change filament to contrasting colour for ticks.

A 30cm tactile ruler. One one side there are small ticks every 5mm (0.5cm), large ticks every 10mm (1cm), Indents every 5mm. On the other side there are large ticks ever 10mm (cm). The number sign in braille labels should point to the tick it relates to.